Struct TokenUsage 

pub struct TokenUsage {
    pub input_tokens: u64,
    pub output_tokens: u64,
    pub cached_input_tokens: u64,
    pub reasoning_output_tokens: u64,
    pub last_input_tokens: Option<u64>,
    pub last_output_tokens: Option<u64>,
}

Normalized cumulative and latest-turn token accounting.

Fields

input_tokens: u64

Cumulative input tokens for the thread.

output_tokens: u64

Cumulative output tokens for the thread, including reasoning output.

cached_input_tokens: u64

Cumulative cached input tokens for the thread.

reasoning_output_tokens: u64

Cumulative reasoning output tokens for the thread.

last_input_tokens: Option<u64>

Input tokens for the latest model round.

last_output_tokens: Option<u64>

Output tokens for the latest model round.

Trait Implementations

impl Clone for TokenUsage

fn clone(&self) -> TokenUsage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TokenUsage

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

Formats the value using the given formatter.

impl Default for TokenUsage

fn default() -> TokenUsage

Returns the “default value” for a type.

impl Eq for TokenUsage

impl PartialEq for TokenUsage

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for TokenUsage