async_openai_wasm/types/chat.rs
1use std::collections::HashMap;
2
3use derive_builder::Builder;
4use serde::{Deserialize, Serialize};
5
6use crate::client::OpenAIEventStream;
7use crate::error::OpenAIError;
8
9#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
10#[serde(untagged)]
11pub enum Prompt {
12 String(String),
13 StringArray(Vec<String>),
14 // Minimum value is 0, maximum value is 50256 (inclusive).
15 IntegerArray(Vec<u16>),
16 ArrayOfIntegerArray(Vec<Vec<u16>>),
17}
18
19#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
20#[serde(untagged)]
21pub enum Stop {
22 String(String), // nullable: true
23 StringArray(Vec<String>), // minItems: 1; maxItems: 4
24}
25
26#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
27pub struct Logprobs {
28 pub tokens: Vec<String>,
29 pub token_logprobs: Vec<Option<f32>>, // Option is to account for null value in the list
30 pub top_logprobs: Vec<serde_json::Value>,
31 pub text_offset: Vec<u32>,
32}
33
34#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq)]
35#[serde(rename_all = "snake_case")]
36pub enum CompletionFinishReason {
37 Stop,
38 Length,
39 ContentFilter,
40}
41
42#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
43pub struct Choice {
44 pub text: String,
45 pub index: u32,
46 pub logprobs: Option<Logprobs>,
47 pub finish_reason: Option<CompletionFinishReason>,
48}
49
50#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
51pub enum ChatCompletionFunctionCall {
52 /// The model does not call a function, and responds to the end-user.
53 #[serde(rename = "none")]
54 None,
55 /// The model can pick between an end-user or calling a function.
56 #[serde(rename = "auto")]
57 Auto,
58
59 // In spec this is ChatCompletionFunctionCallOption
60 // based on feedback from @m1guelpf in https://github.com/64bit/async-openai/pull/118
61 // it is diverged from the spec
62 /// Forces the model to call the specified function.
63 #[serde(untagged)]
64 Function { name: String },
65}
66
67#[derive(Debug, Serialize, Deserialize, Clone, Copy, Default, PartialEq)]
68#[serde(rename_all = "lowercase")]
69pub enum Role {
70 System,
71 #[default]
72 User,
73 Assistant,
74 Tool,
75 Function,
76}
77
78/// The name and arguments of a function that should be called, as generated by the model.
79#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
80pub struct FunctionCall {
81 /// The name of the function to call.
82 pub name: String,
83 /// The arguments to call the function with, as generated by the model in JSON format. Note that the model does not always generate valid JSON, and may hallucinate parameters not defined by your function schema. Validate the arguments in your code before calling your function.
84 pub arguments: String,
85}
86
87/// Usage statistics for the completion request.
88#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
89pub struct CompletionUsage {
90 /// Number of tokens in the prompt.
91 pub prompt_tokens: u32,
92 /// Number of tokens in the generated completion.
93 pub completion_tokens: u32,
94 /// Total number of tokens used in the request (prompt + completion).
95 pub total_tokens: u32,
96 /// Breakdown of tokens used in the prompt.
97 pub prompt_tokens_details: Option<PromptTokensDetails>,
98 /// Breakdown of tokens used in a completion.
99 pub completion_tokens_details: Option<CompletionTokensDetails>,
100}
101
102/// Breakdown of tokens used in a completion.
103#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
104pub struct PromptTokensDetails {
105 /// Audio input tokens present in the prompt.
106 pub audio_tokens: Option<u32>,
107 /// Cached tokens present in the prompt.
108 pub cached_tokens: Option<u32>,
109}
110
111/// Breakdown of tokens used in a completion.
112#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
113pub struct CompletionTokensDetails {
114 pub accepted_prediction_tokens: Option<u32>,
115 /// Audio input tokens generated by the model.
116 pub audio_tokens: Option<u32>,
117 /// Tokens generated by the model for reasoning.
118 pub reasoning_tokens: Option<u32>,
119 /// When using Predicted Outputs, the number of tokens in the
120 /// prediction that did not appear in the completion. However, like
121 /// reasoning tokens, these tokens are still counted in the total
122 /// completion tokens for purposes of billing, output, and context
123 /// window limits.
124 pub rejected_prediction_tokens: Option<u32>,
125}
126
127#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
128#[builder(name = "ChatCompletionRequestDeveloperMessageArgs")]
129#[builder(pattern = "mutable")]
130#[builder(setter(into, strip_option), default)]
131#[builder(derive(Debug))]
132#[builder(build_fn(error = "OpenAIError"))]
133pub struct ChatCompletionRequestDeveloperMessage {
134 /// The contents of the developer message.
135 pub content: ChatCompletionRequestDeveloperMessageContent,
136
137 /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
138 #[serde(skip_serializing_if = "Option::is_none")]
139 pub name: Option<String>,
140}
141
142#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
143#[serde(untagged)]
144pub enum ChatCompletionRequestDeveloperMessageContent {
145 Text(String),
146 Array(Vec<ChatCompletionRequestMessageContentPartText>),
147}
148
149#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
150#[builder(name = "ChatCompletionRequestSystemMessageArgs")]
151#[builder(pattern = "mutable")]
152#[builder(setter(into, strip_option), default)]
153#[builder(derive(Debug))]
154#[builder(build_fn(error = "OpenAIError"))]
155pub struct ChatCompletionRequestSystemMessage {
156 /// The contents of the system message.
157 pub content: ChatCompletionRequestSystemMessageContent,
158 /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
159 #[serde(skip_serializing_if = "Option::is_none")]
160 pub name: Option<String>,
161}
162
163#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
164#[builder(name = "ChatCompletionRequestMessageContentPartTextArgs")]
165#[builder(pattern = "mutable")]
166#[builder(setter(into, strip_option), default)]
167#[builder(derive(Debug))]
168#[builder(build_fn(error = "OpenAIError"))]
169pub struct ChatCompletionRequestMessageContentPartText {
170 pub text: String,
171}
172
173#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
174pub struct ChatCompletionRequestMessageContentPartRefusal {
175 /// The refusal message generated by the model.
176 pub refusal: String,
177}
178
179#[derive(Debug, Serialize, Deserialize, Default, Clone, PartialEq)]
180#[serde(rename_all = "lowercase")]
181pub enum ImageDetail {
182 #[default]
183 Auto,
184 Low,
185 High,
186}
187
188#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
189#[builder(name = "ImageUrlArgs")]
190#[builder(pattern = "mutable")]
191#[builder(setter(into, strip_option), default)]
192#[builder(derive(Debug))]
193#[builder(build_fn(error = "OpenAIError"))]
194pub struct ImageUrl {
195 /// Either a URL of the image or the base64 encoded image data.
196 pub url: String,
197 /// Specifies the detail level of the image. Learn more in the [Vision guide](https://platform.openai.com/docs/guides/vision/low-or-high-fidelity-image-understanding).
198 pub detail: Option<ImageDetail>,
199}
200
201#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
202#[builder(name = "ChatCompletionRequestMessageContentPartImageArgs")]
203#[builder(pattern = "mutable")]
204#[builder(setter(into, strip_option), default)]
205#[builder(derive(Debug))]
206#[builder(build_fn(error = "OpenAIError"))]
207pub struct ChatCompletionRequestMessageContentPartImage {
208 pub image_url: ImageUrl,
209}
210
211#[derive(Debug, Serialize, Deserialize, Default, Clone, PartialEq)]
212#[serde(rename_all = "lowercase")]
213pub enum InputAudioFormat {
214 Wav,
215 #[default]
216 Mp3,
217}
218
219#[derive(Debug, Serialize, Deserialize, Default, Clone, PartialEq)]
220pub struct InputAudio {
221 /// Base64 encoded audio data.
222 pub data: String,
223 /// The format of the encoded audio data. Currently supports "wav" and "mp3".
224 pub format: InputAudioFormat,
225}
226
227/// Learn about [audio inputs](https://platform.openai.com/docs/guides/audio).
228#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
229#[builder(name = "ChatCompletionRequestMessageContentPartAudioArgs")]
230#[builder(pattern = "mutable")]
231#[builder(setter(into, strip_option), default)]
232#[builder(derive(Debug))]
233#[builder(build_fn(error = "OpenAIError"))]
234pub struct ChatCompletionRequestMessageContentPartAudio {
235 pub input_audio: InputAudio,
236}
237
238#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
239#[serde(tag = "type")]
240#[serde(rename_all = "snake_case")]
241pub enum ChatCompletionRequestUserMessageContentPart {
242 Text(ChatCompletionRequestMessageContentPartText),
243 ImageUrl(ChatCompletionRequestMessageContentPartImage),
244 InputAudio(ChatCompletionRequestMessageContentPartAudio),
245}
246
247#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
248#[serde(tag = "type")]
249#[serde(rename_all = "snake_case")]
250pub enum ChatCompletionRequestSystemMessageContentPart {
251 Text(ChatCompletionRequestMessageContentPartText),
252}
253
254#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
255#[serde(tag = "type")]
256#[serde(rename_all = "snake_case")]
257pub enum ChatCompletionRequestAssistantMessageContentPart {
258 Text(ChatCompletionRequestMessageContentPartText),
259 Refusal(ChatCompletionRequestMessageContentPartRefusal),
260}
261
262#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
263#[serde(tag = "type")]
264#[serde(rename_all = "snake_case")]
265pub enum ChatCompletionRequestToolMessageContentPart {
266 Text(ChatCompletionRequestMessageContentPartText),
267}
268
269#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
270#[serde(untagged)]
271pub enum ChatCompletionRequestSystemMessageContent {
272 /// The text contents of the system message.
273 Text(String),
274 /// An array of content parts with a defined type. For system messages, only type `text` is supported.
275 Array(Vec<ChatCompletionRequestSystemMessageContentPart>),
276}
277
278#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
279#[serde(untagged)]
280pub enum ChatCompletionRequestUserMessageContent {
281 /// The text contents of the message.
282 Text(String),
283 /// An array of content parts with a defined type. Supported options differ based on the [model](https://platform.openai.com/docs/models) being used to generate the response. Can contain text, image, or audio inputs.
284 Array(Vec<ChatCompletionRequestUserMessageContentPart>),
285}
286
287#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
288#[serde(untagged)]
289pub enum ChatCompletionRequestAssistantMessageContent {
290 /// The text contents of the message.
291 Text(String),
292 /// An array of content parts with a defined type. Can be one or more of type `text`, or exactly one of type `refusal`.
293 Array(Vec<ChatCompletionRequestAssistantMessageContentPart>),
294}
295
296#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
297#[serde(untagged)]
298pub enum ChatCompletionRequestToolMessageContent {
299 /// The text contents of the tool message.
300 Text(String),
301 /// An array of content parts with a defined type. For tool messages, only type `text` is supported.
302 Array(Vec<ChatCompletionRequestToolMessageContentPart>),
303}
304
305#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
306#[builder(name = "ChatCompletionRequestUserMessageArgs")]
307#[builder(pattern = "mutable")]
308#[builder(setter(into, strip_option), default)]
309#[builder(derive(Debug))]
310#[builder(build_fn(error = "OpenAIError"))]
311pub struct ChatCompletionRequestUserMessage {
312 /// The contents of the user message.
313 pub content: ChatCompletionRequestUserMessageContent,
314 /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
315 #[serde(skip_serializing_if = "Option::is_none")]
316 pub name: Option<String>,
317}
318
319#[derive(Debug, Serialize, Deserialize, Default, Clone, PartialEq)]
320pub struct ChatCompletionRequestAssistantMessageAudio {
321 /// Unique identifier for a previous audio response from the model.
322 pub id: String,
323}
324
325#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
326#[builder(name = "ChatCompletionRequestAssistantMessageArgs")]
327#[builder(pattern = "mutable")]
328#[builder(setter(into, strip_option), default)]
329#[builder(derive(Debug))]
330#[builder(build_fn(error = "OpenAIError"))]
331pub struct ChatCompletionRequestAssistantMessage {
332 /// The contents of the assistant message. Required unless `tool_calls` or `function_call` is specified.
333 #[serde(skip_serializing_if = "Option::is_none")]
334 pub content: Option<ChatCompletionRequestAssistantMessageContent>,
335 /// The refusal message by the assistant.
336 #[serde(skip_serializing_if = "Option::is_none")]
337 pub refusal: Option<String>,
338 /// An optional name for the participant. Provides the model information to differentiate between participants of the same role.
339 #[serde(skip_serializing_if = "Option::is_none")]
340 pub name: Option<String>,
341 /// Data about a previous audio response from the model.
342 /// [Learn more](https://platform.openai.com/docs/guides/audio).
343 #[serde(skip_serializing_if = "Option::is_none")]
344 pub audio: Option<ChatCompletionRequestAssistantMessageAudio>,
345 #[serde(skip_serializing_if = "Option::is_none")]
346 pub tool_calls: Option<Vec<ChatCompletionMessageToolCall>>,
347 /// Deprecated and replaced by `tool_calls`. The name and arguments of a function that should be called, as generated by the model.
348 #[deprecated]
349 #[serde(skip_serializing_if = "Option::is_none")]
350 pub function_call: Option<FunctionCall>,
351}
352
353/// Tool message
354#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
355#[builder(name = "ChatCompletionRequestToolMessageArgs")]
356#[builder(pattern = "mutable")]
357#[builder(setter(into, strip_option), default)]
358#[builder(derive(Debug))]
359#[builder(build_fn(error = "OpenAIError"))]
360pub struct ChatCompletionRequestToolMessage {
361 /// The contents of the tool message.
362 pub content: ChatCompletionRequestToolMessageContent,
363 pub tool_call_id: String,
364}
365
366#[derive(Debug, Serialize, Deserialize, Default, Clone, Builder, PartialEq)]
367#[builder(name = "ChatCompletionRequestFunctionMessageArgs")]
368#[builder(pattern = "mutable")]
369#[builder(setter(into, strip_option), default)]
370#[builder(derive(Debug))]
371#[builder(build_fn(error = "OpenAIError"))]
372pub struct ChatCompletionRequestFunctionMessage {
373 /// The return value from the function call, to return to the model.
374 pub content: Option<String>,
375 /// The name of the function to call.
376 pub name: String,
377}
378
379#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
380#[serde(tag = "role")]
381#[serde(rename_all = "lowercase")]
382pub enum ChatCompletionRequestMessage {
383 Developer(ChatCompletionRequestDeveloperMessage),
384 System(ChatCompletionRequestSystemMessage),
385 User(ChatCompletionRequestUserMessage),
386 Assistant(ChatCompletionRequestAssistantMessage),
387 Tool(ChatCompletionRequestToolMessage),
388 Function(ChatCompletionRequestFunctionMessage),
389}
390
391#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
392pub struct ChatCompletionMessageToolCall {
393 /// The ID of the tool call.
394 pub id: String,
395 /// The type of the tool. Currently, only `function` is supported.
396 pub r#type: ChatCompletionToolType,
397 /// The function that the model called.
398 pub function: FunctionCall,
399}
400
401#[derive(Debug, Serialize, Deserialize, Default, Clone, PartialEq)]
402pub struct ChatCompletionResponseMessageAudio {
403 /// Unique identifier for this audio response.
404 pub id: String,
405 /// The Unix timestamp (in seconds) for when this audio response will no longer be accessible on the server for use in multi-turn conversations.
406 pub expires_at: u32,
407 /// Base64 encoded audio bytes generated by the model, in the format specified in the request.
408 pub data: String,
409 /// Transcript of the audio generated by the model.
410 pub transcript: String,
411}
412
413/// A chat completion message generated by the model.
414#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
415pub struct ChatCompletionResponseMessage {
416 /// The contents of the message.
417 pub content: Option<String>,
418 /// The refusal message generated by the model.
419 pub refusal: Option<String>,
420 /// The tool calls generated by the model, such as function calls.
421 pub tool_calls: Option<Vec<ChatCompletionMessageToolCall>>,
422
423 /// The role of the author of this message.
424 pub role: Role,
425
426 /// Deprecated and replaced by `tool_calls`.
427 /// The name and arguments of a function that should be called, as generated by the model.
428 #[deprecated]
429 pub function_call: Option<FunctionCall>,
430
431 /// If the audio output modality is requested, this object contains data about the audio response from the model. [Learn more](https://platform.openai.com/docs/guides/audio).
432 pub audio: Option<ChatCompletionResponseMessageAudio>,
433
434 /// Catching anything else that a provider wants to provide, for example, a `reasoning` field
435 #[serde(skip_serializing_if = "Option::is_none")]
436 #[serde(flatten)]
437 pub return_catchall: Option<serde_json::Value>,
438}
439
440#[derive(Clone, Serialize, Default, Debug, Deserialize, Builder, PartialEq)]
441#[builder(name = "ChatCompletionFunctionsArgs")]
442#[builder(pattern = "mutable")]
443#[builder(setter(into, strip_option), default)]
444#[builder(derive(Debug))]
445#[builder(build_fn(error = "OpenAIError"))]
446#[deprecated]
447pub struct ChatCompletionFunctions {
448 /// The name of the function to be called. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a maximum length of 64.
449 pub name: String,
450 /// A description of what the function does, used by the model to choose when and how to call the function.
451 #[serde(skip_serializing_if = "Option::is_none")]
452 pub description: Option<String>,
453 /// The parameters the functions accepts, described as a JSON Schema object. See the [guide](https://platform.openai.com/docs/guides/text-generation/function-calling) for examples, and the [JSON Schema reference](https://json-schema.org/understanding-json-schema/) for documentation about the format.
454 ///
455 /// Omitting `parameters` defines a function with an empty parameter list.
456 pub parameters: serde_json::Value,
457}
458
459#[derive(Clone, Serialize, Default, Debug, Deserialize, Builder, PartialEq)]
460#[builder(name = "FunctionObjectArgs")]
461#[builder(pattern = "mutable")]
462#[builder(setter(into, strip_option), default)]
463#[builder(derive(Debug))]
464#[builder(build_fn(error = "OpenAIError"))]
465pub struct FunctionObject {
466 /// The name of the function to be called. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a maximum length of 64.
467 pub name: String,
468 /// A description of what the function does, used by the model to choose when and how to call the function.
469 #[serde(skip_serializing_if = "Option::is_none")]
470 pub description: Option<String>,
471 /// The parameters the functions accepts, described as a JSON Schema object. See the [guide](https://platform.openai.com/docs/guides/text-generation/function-calling) for examples, and the [JSON Schema reference](https://json-schema.org/understanding-json-schema/) for documentation about the format.
472 ///
473 /// Omitting `parameters` defines a function with an empty parameter list.
474 #[serde(skip_serializing_if = "Option::is_none")]
475 pub parameters: Option<serde_json::Value>,
476
477 /// Whether to enable strict schema adherence when generating the function call. If set to true, the model will follow the exact schema defined in the `parameters` field. Only a subset of JSON Schema is supported when `strict` is `true`. Learn more about Structured Outputs in the [function calling guide](https://platform.openai.com/docs/guides/function-calling).
478 #[serde(skip_serializing_if = "Option::is_none")]
479 pub strict: Option<bool>,
480}
481
482#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
483#[serde(tag = "type", rename_all = "snake_case")]
484pub enum ResponseFormat {
485 /// The type of response format being defined: `text`
486 Text,
487 /// The type of response format being defined: `json_object`
488 JsonObject,
489 /// The type of response format being defined: `json_schema`
490 JsonSchema {
491 json_schema: ResponseFormatJsonSchema,
492 },
493}
494
495#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
496pub struct ResponseFormatJsonSchema {
497 /// A description of what the response format is for, used by the model to determine how to respond in the format.
498 #[serde(skip_serializing_if = "Option::is_none")]
499 pub description: Option<String>,
500 /// The name of the response format. Must be a-z, A-Z, 0-9, or contain underscores and dashes, with a maximum length of 64.
501 pub name: String,
502 /// The schema for the response format, described as a JSON Schema object.
503 #[serde(skip_serializing_if = "Option::is_none")]
504 pub schema: Option<serde_json::Value>,
505 /// Whether to enable strict schema adherence when generating the output. If set to true, the model will always follow the exact schema defined in the `schema` field. Only a subset of JSON Schema is supported when `strict` is `true`. To learn more, read the [Structured Outputs guide](https://platform.openai.com/docs/guides/structured-outputs).
506 #[serde(skip_serializing_if = "Option::is_none")]
507 pub strict: Option<bool>,
508}
509
510#[derive(Clone, Serialize, Default, Debug, Deserialize, PartialEq)]
511#[serde(rename_all = "lowercase")]
512pub enum ChatCompletionToolType {
513 #[default]
514 Function,
515}
516
517#[derive(Clone, Serialize, Default, Debug, Builder, Deserialize, PartialEq)]
518#[builder(name = "ChatCompletionToolArgs")]
519#[builder(pattern = "mutable")]
520#[builder(setter(into, strip_option), default)]
521#[builder(derive(Debug))]
522#[builder(build_fn(error = "OpenAIError"))]
523pub struct ChatCompletionTool {
524 #[builder(default = "ChatCompletionToolType::Function")]
525 pub r#type: ChatCompletionToolType,
526 pub function: FunctionObject,
527}
528
529#[derive(Clone, Serialize, Default, Debug, Deserialize, PartialEq)]
530pub struct FunctionName {
531 /// The name of the function to call.
532 pub name: String,
533}
534
535/// Specifies a tool the model should use. Use to force the model to call a specific function.
536#[derive(Clone, Serialize, Default, Debug, Deserialize, PartialEq)]
537pub struct ChatCompletionNamedToolChoice {
538 /// The type of the tool. Currently, only `function` is supported.
539 pub r#type: ChatCompletionToolType,
540
541 pub function: FunctionName,
542}
543
544/// Controls which (if any) tool is called by the model.
545/// `none` means the model will not call any tool and instead generates a message.
546/// `auto` means the model can pick between generating a message or calling one or more tools.
547/// `required` means the model must call one or more tools.
548/// Specifying a particular tool via `{"type": "function", "function": {"name": "my_function"}}` forces the model to call that tool.
549///
550/// `none` is the default when no tools are present. `auto` is the default if tools are present.present.
551#[derive(Clone, Serialize, Default, Debug, Deserialize, PartialEq)]
552#[serde(rename_all = "lowercase")]
553pub enum ChatCompletionToolChoiceOption {
554 #[default]
555 None,
556 Auto,
557 Required,
558 #[serde(untagged)]
559 Named(ChatCompletionNamedToolChoice),
560}
561
562#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
563#[serde(rename_all = "lowercase")]
564pub enum ServiceTier {
565 Auto,
566 Default,
567}
568
569#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
570#[serde(rename_all = "lowercase")]
571pub enum ServiceTierResponse {
572 Scale,
573 Default,
574}
575
576#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
577#[serde(rename_all = "lowercase")]
578pub enum ReasoningEffort {
579 Low,
580 Medium,
581 High,
582}
583
584/// Output types that you would like the model to generate for this request.
585///
586/// Most models are capable of generating text, which is the default: `["text"]`
587///
588/// The `gpt-4o-audio-preview` model can also be used to [generate
589/// audio](https://platform.openai.com/docs/guides/audio). To request that this model generate both text and audio responses, you can use: `["text", "audio"]`
590#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
591#[serde(rename_all = "lowercase")]
592pub enum ChatCompletionModalities {
593 Text,
594 Audio,
595}
596
597/// The content that should be matched when generating a model response. If generated tokens would match this content, the entire model response can be returned much more quickly.
598#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
599#[serde(untagged)]
600pub enum PredictionContentContent {
601 /// The content used for a Predicted Output. This is often the text of a file you are regenerating with minor changes.
602 Text(String),
603 /// An array of content parts with a defined type. Supported options differ based on the [model](https://platform.openai.com/docs/models) being used to generate the response. Can contain text inputs.
604 Array(Vec<ChatCompletionRequestMessageContentPartText>),
605}
606
607/// Static predicted output content, such as the content of a text file that is being regenerated.
608#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
609#[serde(tag = "type", rename_all = "lowercase", content = "content")]
610pub enum PredictionContent {
611 /// The type of the predicted content you want to provide. This type is
612 /// currently always `content`.
613 Content(PredictionContentContent),
614}
615
616#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
617#[serde(rename_all = "lowercase")]
618pub enum ChatCompletionAudioVoice {
619 Alloy,
620 Ash,
621 Ballad,
622 Coral,
623 Echo,
624 Sage,
625 Shimmer,
626 Verse,
627}
628
629#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
630#[serde(rename_all = "lowercase")]
631pub enum ChatCompletionAudioFormat {
632 Wav,
633 Mp3,
634 Flac,
635 Opus,
636 Pcm16,
637}
638
639#[derive(Clone, Serialize, Debug, Deserialize, PartialEq)]
640pub struct ChatCompletionAudio {
641 /// The voice the model uses to respond. Supported voices are `ash`, `ballad`, `coral`, `sage`, and `verse` (also supported but not recommended are `alloy`, `echo`, and `shimmer`; these voices are less expressive).
642 pub voice: ChatCompletionAudioVoice,
643 /// Specifies the output audio format. Must be one of `wav`, `mp3`, `flac`, `opus`, or `pcm16`.
644 pub format: ChatCompletionAudioFormat,
645}
646
647#[derive(Clone, Serialize, Default, Debug, Builder, Deserialize, PartialEq)]
648#[builder(name = "CreateChatCompletionRequestArgs")]
649#[builder(pattern = "mutable")]
650#[builder(setter(into, strip_option), default)]
651#[builder(derive(Debug))]
652#[builder(build_fn(error = "OpenAIError"))]
653pub struct CreateChatCompletionRequest {
654 /// A list of messages comprising the conversation so far. Depending on the [model](https://platform.openai.com/docs/models) you use, different message types (modalities) are supported, like [text](https://platform.openai.com/docs/guides/text-generation), [images](https://platform.openai.com/docs/guides/vision), and [audio](https://platform.openai.com/docs/guides/audio).
655 pub messages: Vec<ChatCompletionRequestMessage>, // min: 1
656
657 /// ID of the model to use.
658 /// See the [model endpoint compatibility](https://platform.openai.com/docs/models#model-endpoint-compatibility) table for details on which models work with the Chat API.
659 pub model: String,
660
661 /// Whether or not to store the output of this chat completion request
662 ///
663 /// for use in our [model distillation](https://platform.openai.com/docs/guides/distillation) or [evals](https://platform.openai.com/docs/guides/evals) products.
664 #[serde(skip_serializing_if = "Option::is_none")]
665 pub store: Option<bool>, // nullable: true, default: false
666
667 /// **o1 models only**
668 ///
669 /// Constrains effort on reasoning for
670 /// [reasoning models](https://platform.openai.com/docs/guides/reasoning).
671 ///
672 /// Currently supported values are `low`, `medium`, and `high`. Reducing
673 ///
674 /// reasoning effort can result in faster responses and fewer tokens
675 /// used on reasoning in a response.
676 #[serde(skip_serializing_if = "Option::is_none")]
677 pub reasoning_effort: Option<ReasoningEffort>,
678
679 /// Developer-defined tags and values used for filtering completions in the [dashboard](https://platform.openai.com/chat-completions).
680 #[serde(skip_serializing_if = "Option::is_none")]
681 pub metadata: Option<serde_json::Value>, // nullable: true
682
683 /// Number between -2.0 and 2.0. Positive values penalize new tokens based on their existing frequency in the text so far, decreasing the model's likelihood to repeat the same line verbatim.
684 #[serde(skip_serializing_if = "Option::is_none")]
685 pub frequency_penalty: Option<f32>, // min: -2.0, max: 2.0, default: 0
686
687 /// Modify the likelihood of specified tokens appearing in the completion.
688 ///
689 /// Accepts a json object that maps tokens (specified by their token ID in the tokenizer) to an associated bias value from -100 to 100.
690 /// Mathematically, the bias is added to the logits generated by the model prior to sampling.
691 /// The exact effect will vary per model, but values between -1 and 1 should decrease or increase likelihood of selection;
692 /// values like -100 or 100 should result in a ban or exclusive selection of the relevant token.
693 #[serde(skip_serializing_if = "Option::is_none")]
694 pub logit_bias: Option<HashMap<String, serde_json::Value>>, // default: null
695
696 /// Whether to return log probabilities of the output tokens or not. If true, returns the log probabilities of each output token returned in the `content` of `message`.
697 #[serde(skip_serializing_if = "Option::is_none")]
698 pub logprobs: Option<bool>,
699
700 /// An integer between 0 and 20 specifying the number of most likely tokens to return at each token position, each with an associated log probability. `logprobs` must be set to `true` if this parameter is used.
701 #[serde(skip_serializing_if = "Option::is_none")]
702 pub top_logprobs: Option<u8>,
703
704 /// The maximum number of [tokens](https://platform.openai.com/tokenizer) that can be generated in the chat completion.
705 ///
706 /// This value can be used to control [costs](https://openai.com/api/pricing/) for text generated via API.
707 /// This value is now deprecated in favor of `max_completion_tokens`, and is
708 /// not compatible with [o1 series models](https://platform.openai.com/docs/guides/reasoning).
709 #[deprecated]
710 #[serde(skip_serializing_if = "Option::is_none")]
711 pub max_tokens: Option<u32>,
712
713 /// An upper bound for the number of tokens that can be generated for a completion, including visible output tokens and [reasoning tokens](https://platform.openai.com/docs/guides/reasoning).
714 #[serde(skip_serializing_if = "Option::is_none")]
715 pub max_completion_tokens: Option<u32>,
716
717 /// How many chat completion choices to generate for each input message. Note that you will be charged based on the number of generated tokens across all of the choices. Keep `n` as `1` to minimize costs.
718 #[serde(skip_serializing_if = "Option::is_none")]
719 pub n: Option<u8>, // min:1, max: 128, default: 1
720
721 #[serde(skip_serializing_if = "Option::is_none")]
722 pub modalities: Option<Vec<ChatCompletionModalities>>,
723
724 /// Configuration for a [Predicted Output](https://platform.openai.com/docs/guides/predicted-outputs),which can greatly improve response times when large parts of the model response are known ahead of time. This is most common when you are regenerating a file with only minor changes to most of the content.
725 #[serde(skip_serializing_if = "Option::is_none")]
726 pub prediction: Option<PredictionContent>,
727
728 /// Parameters for audio output. Required when audio output is requested with `modalities: ["audio"]`. [Learn more](https://platform.openai.com/docs/guides/audio).
729 #[serde(skip_serializing_if = "Option::is_none")]
730 pub audio: Option<ChatCompletionAudio>,
731
732 /// Number between -2.0 and 2.0. Positive values penalize new tokens based on whether they appear in the text so far, increasing the model's likelihood to talk about new topics.
733 #[serde(skip_serializing_if = "Option::is_none")]
734 pub presence_penalty: Option<f32>, // min: -2.0, max: 2.0, default 0
735
736 /// An object specifying the format that the model must output. Compatible with [GPT-4o](https://platform.openai.com/docs/models/gpt-4o), [GPT-4o mini](https://platform.openai.com/docs/models/gpt-4o-mini), [GPT-4 Turbo](https://platform.openai.com/docs/models/gpt-4-and-gpt-4-turbo) and all GPT-3.5 Turbo models newer than `gpt-3.5-turbo-1106`.
737 ///
738 /// Setting to `{ "type": "json_schema", "json_schema": {...} }` enables Structured Outputs which guarantees the model will match your supplied JSON schema. Learn more in the [Structured Outputs guide](https://platform.openai.com/docs/guides/structured-outputs).
739 ///
740 /// Setting to `{ "type": "json_object" }` enables JSON mode, which guarantees the message the model generates is valid JSON.
741 ///
742 /// **Important:** when using JSON mode, you **must** also instruct the model to produce JSON yourself via a system or user message. Without this, the model may generate an unending stream of whitespace until the generation reaches the token limit, resulting in a long-running and seemingly "stuck" request. Also note that the message content may be partially cut off if `finish_reason="length"`, which indicates the generation exceeded `max_tokens` or the conversation exceeded the max context length.
743 #[serde(skip_serializing_if = "Option::is_none")]
744 pub response_format: Option<ResponseFormat>,
745
746 /// This feature is in Beta.
747 /// If specified, our system will make a best effort to sample deterministically, such that repeated requests
748 /// with the same `seed` and parameters should return the same result.
749 /// Determinism is not guaranteed, and you should refer to the `system_fingerprint` response parameter to monitor changes in the backend.
750 #[serde(skip_serializing_if = "Option::is_none")]
751 pub seed: Option<i64>,
752
753 /// Specifies the latency tier to use for processing the request. This parameter is relevant for customers subscribed to the scale tier service:
754 /// - If set to 'auto', the system will utilize scale tier credits until they are exhausted.
755 /// - If set to 'default', the request will be processed using the default service tier with a lower uptime SLA and no latency guarentee.
756 /// - When not set, the default behavior is 'auto'.
757 ///
758 /// When this parameter is set, the response body will include the `service_tier` utilized.
759 #[serde(skip_serializing_if = "Option::is_none")]
760 pub service_tier: Option<ServiceTier>,
761
762 /// Up to 4 sequences where the API will stop generating further tokens.
763 #[serde(skip_serializing_if = "Option::is_none")]
764 pub stop: Option<Stop>,
765
766 /// If set, partial message deltas will be sent, like in ChatGPT.
767 /// Tokens will be sent as data-only [server-sent events](https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events#Event_stream_format)
768 /// as they become available, with the stream terminated by a `data: [DONE]` message. [Example Python code](https://cookbook.openai.com/examples/how_to_stream_completions).
769 #[serde(skip_serializing_if = "Option::is_none")]
770 pub stream: Option<bool>,
771
772 #[serde(skip_serializing_if = "Option::is_none")]
773 pub stream_options: Option<ChatCompletionStreamOptions>,
774
775 /// What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random,
776 /// while lower values like 0.2 will make it more focused and deterministic.
777 ///
778 /// We generally recommend altering this or `top_p` but not both.
779 #[serde(skip_serializing_if = "Option::is_none")]
780 pub temperature: Option<f32>, // min: 0, max: 2, default: 1,
781
782 /// An alternative to sampling with temperature, called nucleus sampling,
783 /// where the model considers the results of the tokens with top_p probability mass.
784 /// So 0.1 means only the tokens comprising the top 10% probability mass are considered.
785 ///
786 /// We generally recommend altering this or `temperature` but not both.
787 #[serde(skip_serializing_if = "Option::is_none")]
788 pub top_p: Option<f32>, // min: 0, max: 1, default: 1
789
790 /// A list of tools the model may call. Currently, only functions are supported as a tool.
791 /// Use this to provide a list of functions the model may generate JSON inputs for. A max of 128 functions are supported.
792 #[serde(skip_serializing_if = "Option::is_none")]
793 pub tools: Option<Vec<ChatCompletionTool>>,
794
795 #[serde(skip_serializing_if = "Option::is_none")]
796 pub tool_choice: Option<ChatCompletionToolChoiceOption>,
797
798 /// Whether to enable [parallel function calling](https://platform.openai.com/docs/guides/function-calling/parallel-function-calling) during tool use.
799 #[serde(skip_serializing_if = "Option::is_none")]
800 pub parallel_tool_calls: Option<bool>,
801
802 /// A unique identifier representing your end-user, which can help OpenAI to monitor and detect abuse. [Learn more](https://platform.openai.com/docs/guides/safety-best-practices#end-user-ids).
803 #[serde(skip_serializing_if = "Option::is_none")]
804 pub user: Option<String>,
805
806 /// Deprecated in favor of `tool_choice`.
807 ///
808 /// Controls which (if any) function is called by the model.
809 /// `none` means the model will not call a function and instead generates a message.
810 /// `auto` means the model can pick between generating a message or calling a function.
811 /// Specifying a particular function via `{"name": "my_function"}` forces the model to call that function.
812 ///
813 /// `none` is the default when no functions are present. `auto` is the default if functions are present.
814 #[deprecated]
815 #[serde(skip_serializing_if = "Option::is_none")]
816 pub function_call: Option<ChatCompletionFunctionCall>,
817
818 /// Deprecated in favor of `tools`.
819 ///
820 /// A list of functions the model may generate JSON inputs for.
821 #[deprecated]
822 #[serde(skip_serializing_if = "Option::is_none")]
823 pub functions: Option<Vec<ChatCompletionFunctions>>,
824
825 #[serde(skip_serializing_if = "Option::is_none")]
826 #[serde(flatten)]
827 pub extra_params: Option<serde_json::Value>,
828}
829
830/// Options for streaming response. Only set this when you set `stream: true`.
831#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq)]
832pub struct ChatCompletionStreamOptions {
833 /// If set, an additional chunk will be streamed before the `data: [DONE]` message. The `usage` field on this chunk shows the token usage statistics for the entire request, and the `choices` field will always be an empty array. All other chunks will also include a `usage` field, but with a null value.
834 pub include_usage: bool,
835}
836
837#[derive(Debug, Serialize, Deserialize, Clone, Copy, PartialEq)]
838#[serde(rename_all = "snake_case")]
839pub enum FinishReason {
840 Stop,
841 Length,
842 ToolCalls,
843 ContentFilter,
844 FunctionCall,
845}
846
847#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
848pub struct TopLogprobs {
849 /// The token.
850 pub token: String,
851 /// The log probability of this token.
852 pub logprob: f32,
853 /// A list of integers representing the UTF-8 bytes representation of the token. Useful in instances where characters are represented by multiple tokens and their byte representations must be combined to generate the correct text representation. Can be `null` if there is no bytes representation for the token.
854 pub bytes: Option<Vec<u8>>,
855}
856
857#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
858pub struct ChatCompletionTokenLogprob {
859 /// The token.
860 pub token: String,
861 /// The log probability of this token, if it is within the top 20 most likely tokens. Otherwise, the value `-9999.0` is used to signify that the token is very unlikely.
862 pub logprob: f32,
863 /// A list of integers representing the UTF-8 bytes representation of the token. Useful in instances where characters are represented by multiple tokens and their byte representations must be combined to generate the correct text representation. Can be `null` if there is no bytes representation for the token.
864 pub bytes: Option<Vec<u8>>,
865 /// List of the most likely tokens and their log probability, at this token position. In rare cases, there may be fewer than the number of requested `top_logprobs` returned.
866 pub top_logprobs: Vec<TopLogprobs>,
867}
868
869#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
870pub struct ChatChoiceLogprobs {
871 /// A list of message content tokens with log probability information.
872 pub content: Option<Vec<ChatCompletionTokenLogprob>>,
873 pub refusal: Option<Vec<ChatCompletionTokenLogprob>>,
874}
875
876#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
877pub struct ChatChoice {
878 /// The index of the choice in the list of choices.
879 pub index: u32,
880 pub message: ChatCompletionResponseMessage,
881 /// The reason the model stopped generating tokens. This will be `stop` if the model hit a natural stop point or a provided stop sequence,
882 /// `length` if the maximum number of tokens specified in the request was reached,
883 /// `content_filter` if content was omitted due to a flag from our content filters,
884 /// `tool_calls` if the model called a tool, or `function_call` (deprecated) if the model called a function.
885 pub finish_reason: Option<FinishReason>,
886 /// Log probability information for the choice.
887 pub logprobs: Option<ChatChoiceLogprobs>,
888}
889
890/// Represents a chat completion response returned by model, based on the provided input.
891#[derive(Debug, Deserialize, Clone, PartialEq, Serialize)]
892pub struct CreateChatCompletionResponse {
893 /// A unique identifier for the chat completion.
894 pub id: String,
895 /// A list of chat completion choices. Can be more than one if `n` is greater than 1.
896 pub choices: Vec<ChatChoice>,
897 /// The Unix timestamp (in seconds) of when the chat completion was created.
898 pub created: u32,
899 /// The model used for the chat completion.
900 pub model: String,
901 /// The service tier used for processing the request. This field is only included if the `service_tier` parameter is specified in the request.
902 pub service_tier: Option<ServiceTierResponse>,
903 /// This fingerprint represents the backend configuration that the model runs with.
904 ///
905 /// Can be used in conjunction with the `seed` request parameter to understand when backend changes have been made that might impact determinism.
906 pub system_fingerprint: Option<String>,
907
908 /// The object type, which is always `chat.completion`.
909 pub object: String,
910 pub usage: Option<CompletionUsage>,
911
912 /// Catching anything else that a provider wants to provide
913 #[serde(skip_serializing_if = "Option::is_none")]
914 #[serde(flatten)]
915 pub return_catchall: Option<serde_json::Value>,
916}
917
918/// Parsed server side events stream until an \[DONE\] is received from server.
919pub type ChatCompletionResponseStream = OpenAIEventStream<CreateChatCompletionStreamResponse>;
920
921#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
922pub struct FunctionCallStream {
923 /// The name of the function to call.
924 pub name: Option<String>,
925 /// The arguments to call the function with, as generated by the model in JSON format.
926 /// Note that the model does not always generate valid JSON, and may hallucinate
927 /// parameters not defined by your function schema. Validate the arguments in your
928 /// code before calling your function.
929 pub arguments: Option<String>,
930}
931
932#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
933pub struct ChatCompletionMessageToolCallChunk {
934 pub index: u32,
935 /// The ID of the tool call.
936 pub id: Option<String>,
937 /// The type of the tool. Currently, only `function` is supported.
938 pub r#type: Option<ChatCompletionToolType>,
939 pub function: Option<FunctionCallStream>,
940}
941
942/// A chat completion delta generated by streamed model responses.
943#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
944pub struct ChatCompletionStreamResponseDelta {
945 /// The contents of the chunk message.
946 pub content: Option<String>,
947 /// Deprecated and replaced by `tool_calls`. The name and arguments of a function that should be called, as generated by the model.
948 #[deprecated]
949 pub function_call: Option<FunctionCallStream>,
950
951 pub tool_calls: Option<Vec<ChatCompletionMessageToolCallChunk>>,
952 /// The role of the author of this message.
953 pub role: Option<Role>,
954 /// The refusal message generated by the model.
955 pub refusal: Option<String>,
956
957 /// Catching anything else that a provider wants to provide, for example, a `reasoning` field
958 #[serde(skip_serializing_if = "Option::is_none")]
959 #[serde(flatten)]
960 pub return_catchall: Option<serde_json::Value>,
961}
962
963#[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
964pub struct ChatChoiceStream {
965 /// The index of the choice in the list of choices.
966 pub index: u32,
967 pub delta: ChatCompletionStreamResponseDelta,
968 /// The reason the model stopped generating tokens. This will be
969 /// `stop` if the model hit a natural stop point or a provided
970 /// stop sequence,
971 ///
972 /// `length` if the maximum number of tokens specified in the
973 /// request was reached,
974 /// `content_filter` if content was omitted due to a flag from our
975 /// content filters,
976 /// `tool_calls` if the model called a tool, or `function_call`
977 /// (deprecated) if the model called a function.
978 pub finish_reason: Option<FinishReason>,
979 /// Log probability information for the choice.
980 pub logprobs: Option<ChatChoiceLogprobs>,
981}
982
983#[derive(Debug, Deserialize, Clone, PartialEq, Serialize)]
984/// Represents a streamed chunk of a chat completion response returned by model, based on the provided input.
985pub struct CreateChatCompletionStreamResponse {
986 /// A unique identifier for the chat completion. Each chunk has the same ID.
987 pub id: String,
988 /// A list of chat completion choices. Can contain more than one elements if `n` is greater than 1. Can also be empty for the last chunk if you set `stream_options: {"include_usage": true}`.
989 pub choices: Vec<ChatChoiceStream>,
990
991 /// The Unix timestamp (in seconds) of when the chat completion was created. Each chunk has the same timestamp.
992 pub created: u32,
993 /// The model to generate the completion.
994 pub model: String,
995 /// The service tier used for processing the request. This field is only included if the `service_tier` parameter is specified in the request.
996 pub service_tier: Option<ServiceTierResponse>,
997 /// This fingerprint represents the backend configuration that the model runs with.
998 /// Can be used in conjunction with the `seed` request parameter to understand when backend changes have been made that might impact determinism.
999 pub system_fingerprint: Option<String>,
1000 /// The object type, which is always `chat.completion.chunk`.
1001 pub object: String,
1002
1003 /// An optional field that will only be present when you set `stream_options: {"include_usage": true}` in your request.
1004 /// When present, it contains a null value except for the last chunk which contains the token usage statistics for the entire request.
1005 pub usage: Option<CompletionUsage>,
1006
1007 /// Catching anything else that a provider wants to provide
1008 #[serde(skip_serializing_if = "Option::is_none")]
1009 #[serde(flatten)]
1010 pub return_catchall: Option<serde_json::Value>,
1011}