Struct AssistantUsage 

pub struct AssistantUsage {
    pub input_tokens: u32,
    pub output_tokens: u32,
    pub cache_creation_input_tokens: u32,
    pub cache_read_input_tokens: u32,
    pub service_tier: Option<String>,
    pub cache_creation: Option<CacheCreationDetails>,
    pub inference_geo: Option<String>,
    pub speed: Option<String>,
    pub fallback_credit: Option<Value>,
}

Usage information for assistant messages

Fields

input_tokens: u32

Number of input tokens

output_tokens: u32

Number of output tokens

cache_creation_input_tokens: u32

Tokens used to create cache

cache_read_input_tokens: u32

Tokens read from cache

service_tier: Option<String>

Service tier used (e.g., “standard”)

cache_creation: Option<CacheCreationDetails>

Detailed cache creation breakdown

inference_geo: Option<String>

Inference geography (e.g., “not_available”)

speed: Option<String>

Speed tier the request ran at ("standard" or "fast"). The API began sending it on per-message usage around CLI 2.1.301.

fallback_credit: Option<Value>

Outcome of a fallback-credit token the request presented; null on the wire when it presented none (CLI 2.1.285+).

Trait Implementations

impl Clone for AssistantUsage

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AssistantUsage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for AssistantUsage

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for AssistantUsage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.