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UsageRow

vct_core::usage::summary

Struct UsageRow 

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pub struct UsageRow {
    pub model: String,
    pub display_model: String,
    pub input_tokens: i64,
    pub output_tokens: i64,
    pub reasoning_tokens: i64,
    pub cache_read: i64,
    pub cache_creation: i64,
    pub total: i64,
    pub cost: f64,
}
Expand description

Data structure for a usage row.

output_tokens is the user-visible response the model emitted; reasoning_tokens is the separately-billed “thinking” budget (Gemini thoughts_tokens, Codex reasoning_output_tokens, Copilot reasoningTokens). Display layers typically present their sum in a single “Output” column via output_with_reasoning() so the per-row numbers reconcile with total, while cost is computed against the per-token reasoning rate (when the model publishes one) via calculate_cost.

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§model: String

Raw model name as reported by the session (the pricing-lookup key).

§display_model: String

Name shown in the table; appends the fuzzy-matched pricing model in parentheses when the lookup was not exact.

§input_tokens: i64

Prompt (input) tokens.

§output_tokens: i64

User-visible response tokens, excluding reasoning.

§reasoning_tokens: i64

Separately-billed “thinking” tokens.

§cache_read: i64

Tokens served from the prompt cache.

§cache_creation: i64

Tokens written to the prompt cache.

§total: i64

Sum of all token buckets for this model.

§cost: f64

LiteLLM-priced cost in USD for this model’s tokens.

Implementations§

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impl UsageRow

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pub fn output_with_reasoning(&self) -> i64

Sum of output and reasoning tokens — the “total model-emitted tokens” figure most display tables want to show in an Output column so the row adds up to total.

Trait Implementations§

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impl Clone for UsageRow

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fn clone(&self) -> UsageRow

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Default for UsageRow

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fn default() -> UsageRow

Returns the “default value” for a type. Read more

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