Struct ProviderCapabilities 

pub struct ProviderCapabilities {
    pub chat: bool,
    pub chat_stream: bool,
    pub tool_calling: bool,
    pub parallel_tool_calls: bool,
    pub json_schema_output: bool,
    pub vision: bool,
    pub embeddings: bool,
    pub max_input_tokens: Option<u32>,
    pub max_output_tokens: Option<u32>,
    pub prompt_caching: bool,
    pub max_cache_breakpoints: Option<u8>,
    pub cache_ttl_options: Vec<CacheTtl>,
}

Static capability advertisement returned by provider implementations.

Fields

chat: bool

Provider can return a complete chat response.

chat_stream: bool

Provider can stream chat events.

tool_calling: bool

Provider accepts tool definitions in chat requests.

parallel_tool_calls: bool

Provider can execute or request multiple tool calls concurrently.

json_schema_output: bool

Provider can constrain output with a JSON schema.

vision: bool

Provider can consume image content.

embeddings: bool

Provider can produce embeddings.

max_input_tokens: Option<u32>

Maximum supported input tokens, when known.

max_output_tokens: Option<u32>

Maximum supported output tokens, when known.

prompt_caching: bool

Provider supports prompt caching.

false for providers with no caching (e.g. local models without a cache layer). true for providers that either accept explicit cache markers (Anthropic) or perform automatic prefix caching (OpenAI, DeepSeek).

max_cache_breakpoints: Option<u8>

Maximum number of cache breakpoints the provider accepts.

Some(4) for Anthropic (which permits up to four cache_control markers per request). None for providers that perform automatic caching without an explicit breakpoint concept (OpenAI, DeepSeek).

cache_ttl_options: Vec<CacheTtl>

Cache TTLs the provider supports.

Empty for providers with automatic caching. Non-empty for Anthropic ([FiveMinutes, OneHour]).

Implementations

impl ProviderCapabilities

pub fn chat() -> Self

Returns a capability set for a basic non-streaming chat provider.

pub fn embeddings() -> Self

Returns a capability set for an embedding-only provider.

pub const fn empty() -> Self

Returns an empty capability set.

Trait Implementations

impl Clone for ProviderCapabilities

fn clone(&self) -> ProviderCapabilities

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ProviderCapabilities

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ProviderCapabilities

fn default() -> ProviderCapabilities

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ProviderCapabilities

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ProviderCapabilities

impl PartialEq for ProviderCapabilities

fn eq(&self, other: &ProviderCapabilities) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for ProviderCapabilities

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ProviderCapabilities