export interface ModelPricing {
    inputPerMTok: number;
    outputPerMTok: number;
    cacheWrite5mPerMTok?: number;
    cacheWrite1hPerMTok?: number;
    cacheReadPerMTok?: number;
}
export declare const MODEL_PRICING: ReadonlyMap<string, ModelPricing>;
export interface CacheWriteSplit {
    ephemeral5m: number;
    ephemeral1h: number;
}
export type AnthropicSpeed = 'standard' | 'fast';
export interface SpeedPricingContext {
    requestSpeed?: AnthropicSpeed;
    responseSpeed?: AnthropicSpeed;
}
export declare function deriveCallCostUsd(model: string, inputTokens: number, outputTokens: number, cachedInputTokens: number, cacheCreationTokens: number, cacheWriteSplit?: CacheWriteSplit, speed?: SpeedPricingContext): number | undefined;