Struct CostCalculator 

pub struct CostCalculator { /* private fields */ }

Implementations

impl CostCalculator

pub fn new() -> Self

Create with default pricing table (OpenAI, Anthropic, etc.)

pub fn estimate_cost( &self, model_name: &str, input_tokens: usize, output_tokens: usize, ) -> Result<CostEstimate, CostError>

Estimate cost for a given model and token counts

pub fn estimate_cost_from_text( &self, model_name: &str, input_text: &str, estimated_output_tokens: usize, ) -> Result<CostEstimate, CostError>

Estimate cost from text (estimates tokens)

pub fn check_budget(&self, spent: f64, budget: f64) -> BudgetStatus

Check budget status

pub fn get_cheapest_model( &self, min_context_window: usize, ) -> Option<&ModelPricing>

Get cheapest model for a given context size

pub fn get_models_under_cost(&self, max_cost_per_1k: f64) -> Vec<&ModelPricing>

Get all models under a cost threshold (per 1k tokens average)

pub fn get_models_by_provider(&self, provider: &str) -> Vec<&ModelPricing>

Get models by provider

pub fn compare_models( &self, model_a: &str, model_b: &str, input_tokens: usize, output_tokens: usize, ) -> Result<ModelComparison, CostError>

Compare cost between two models for given usage

pub fn add_model(&mut self, pricing: ModelPricing)

Add custom model pricing

pub fn remove_model(&mut self, model_name: &str) -> Option<ModelPricing>

Remove a model from pricing table

pub fn get_all_models(&self) -> Vec<&ModelPricing>

Get all available models

pub fn project_monthly_cost( &self, model_name: &str, daily_input_tokens: usize, daily_output_tokens: usize, days_per_month: f64, ) -> Result<CostProjection, CostError>

Calculate monthly cost projection

Trait Implementations

impl Default for CostCalculator

fn default() -> Self

Returns the “default value” for a type.