Struct CostCalculator 

pub struct CostCalculator { /* private fields */ }

Computes real-time USD cost with per-tool breakdown and cache discount.

Implementations

impl CostCalculator

pub fn new(pricing_config: &PricingConfig) -> Self

Create a new CostCalculator from the supplied pricing configuration.

pub fn with_defaults() -> Self

Create a CostCalculator with the built-in default pricing.

pub fn compute_cost( &self, model: &ModelFamily, tokens: &TokenUsage, ) -> CostBreakdown

Compute the cost for a single TokenUsage against the given model.

If the model is not found in the pricing table the cost is zero.

pub fn session_summary(&self, session: &SessionState) -> SessionCostSummary

Produce a session-level cost summary from a SessionState.

The session’s budget.model_family determines which pricing to use. Per-tool costs are derived from session.tool_usage.