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vtcode_config/constants/models/
openai.rs

1pub const DEFAULT_MODEL: &str = "gpt-5.4";
2pub const SUPPORTED_MODELS: &[&str] = &[
3    "gpt-5.4",
4    "gpt-5.4-pro",
5    "gpt-5.3-codex", // GPT-5.3 Codex optimized for agentic coding with xhigh reasoning support
6    "gpt-5.2-codex", // GPT-5.2 Codex optimized for agentic coding with xhigh reasoning support
7    "gpt-5.1-codex", // GPT-5.1 Codex optimized for agentic coding
8    "gpt-5.1-codex-max", // GPT-5.1 Codex Max higher-compute coding variant
9    "gpt-5-codex",   // GPT-5 Codex optimized for agentic coding
10    "gpt-5.2",
11    "gpt-5",
12    "gpt-5-mini",
13    "gpt-5-nano",
14    "o3",
15    "o4-mini",
16    "gpt-oss-20b",
17    "gpt-oss-120b",
18];
19
20/// Models that require the OpenAI Responses API
21pub const RESPONSES_API_MODELS: &[&str] = &[
22    GPT_5,
23    GPT_5_2,
24    GPT_5_4,
25    GPT_5_4_PRO,
26    GPT_5_3_CODEX,
27    GPT_5_2_CODEX,
28    GPT_5_1_CODEX,
29    GPT_5_1_CODEX_MAX,
30    GPT_5_CODEX,
31    GPT_5_MINI,
32    GPT_5_NANO,
33    O3,
34    O4_MINI,
35];
36
37/// Models that support the OpenAI reasoning parameter payload
38pub const REASONING_MODELS: &[&str] = &[
39    GPT_5,
40    GPT_5_2,
41    GPT_5_4,
42    GPT_5_4_PRO,
43    GPT_5_3_CODEX,
44    GPT_5_2_CODEX,
45    GPT_5_1_CODEX,
46    GPT_5_1_CODEX_MAX,
47    GPT_5_CODEX,
48    GPT_5_MINI,
49    GPT_5_NANO,
50    O3,
51    O4_MINI,
52];
53
54/// Models that support the native OpenAI `service_tier` request parameter.
55pub const SERVICE_TIER_MODELS: &[&str] = RESPONSES_API_MODELS;
56
57/// Models that do not expose structured tool calling on the OpenAI platform
58pub const TOOL_UNAVAILABLE_MODELS: &[&str] = &[];
59
60/// GPT-OSS models that use harmony tokenization
61pub const HARMONY_MODELS: &[&str] = &[GPT_OSS_20B, GPT_OSS_120B];
62
63// Convenience constants for commonly used models
64pub const GPT: &str = "gpt";
65pub const GPT_5: &str = "gpt-5";
66pub const GPT_5_2: &str = "gpt-5.2";
67pub const GPT_5_4: &str = "gpt-5.4";
68pub const GPT_5_4_PRO: &str = "gpt-5.4-pro";
69pub const GPT_5_3_CODEX: &str = "gpt-5.3-codex"; // GPT-5.3 Codex optimized for agentic coding
70pub const GPT_5_2_CODEX: &str = "gpt-5.2-codex"; // GPT-5.2 Codex optimized for agentic coding
71pub const GPT_5_1_CODEX: &str = "gpt-5.1-codex"; // GPT-5.1 Codex optimized for agentic coding
72pub const GPT_5_1_CODEX_MAX: &str = "gpt-5.1-codex-max"; // GPT-5.1 Codex Max optimized for longer-running coding tasks
73pub const GPT_5_CODEX: &str = "gpt-5-codex"; // GPT-5 Codex optimized for agentic coding
74pub const GPT_5_MINI: &str = "gpt-5-mini";
75pub const GPT_5_NANO: &str = "gpt-5-nano";
76pub const O3: &str = "o3";
77pub const O4_MINI: &str = "o4-mini";
78pub const GPT_OSS_20B: &str = "gpt-oss-20b";
79pub const GPT_OSS_120B: &str = "gpt-oss-120b";