Struct TokenUsage 

pub struct TokenUsage {
    pub input_tokens: u64,
    pub output_tokens: u64,
    pub cache_read_tokens: u64,
    pub cache_write_tokens: u64,
    pub reasoning_tokens: u64,
    pub total_tokens: u64,
}

Normalized non-negative token counters.

Fields

input_tokens: u64

Tokens consumed by prompt or input content.

output_tokens: u64

Tokens produced by model output.

cache_read_tokens: u64

Input tokens read from a provider cache.

cache_write_tokens: u64

Input tokens written into a provider cache.

reasoning_tokens: u64

Tokens spent in model reasoning traces.

total_tokens: u64

Provider total or a total derived by the producer.

Trait Implementations

impl Debug for TokenUsage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TokenUsage

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TokenUsage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.