/**
 * AI Pricing Configuration
 *
 * Centralized pricing for OpenAI and Replit models.
 * Prices can be overridden via environment variables.
 */
/**
 * Pricing per 1M tokens for OpenAI models
 */
export interface OpenAIPricing {
    inputUsdPerM: number;
    outputUsdPerM: number;
}
/**
 * Replit pricing configuration
 */
export interface ReplitPricing {
    checkpointUsd: number;
    effortUnitUsd?: number;
}
/**
 * Get OpenAI model pricing
 * Reads from environment variables or uses defaults
 */
export declare function getOpenAIPricing(model: string): OpenAIPricing;
/**
 * Get Replit pricing
 */
export declare function getReplitPricing(): ReplitPricing;
/**
 * Normalization: Convert cost to NovaTokens
 * NovaTokens are a normalized unit for cross-provider comparison
 *
 * Formula: effectiveNovaTokens = effectiveCostUsd * NOVA_TOKENS_PER_USD
 */
export declare function costToNovaTokens(costUsd: number): number;
/**
 * Calculate OpenAI cost from token counts
 */
export declare function calculateOpenAICost(model: string, promptTokens: number, completionTokens: number): number;
/**
 * Calculate Replit cost
 */
export declare function calculateReplitCost(unitsUsed?: number): number;
/**
 * Get effective NovaTokens for OpenAI usage
 */
export declare function openAIUsageToNovaTokens(model: string, promptTokens: number, completionTokens: number): number;
/**
 * Get effective NovaTokens for Replit usage
 */
export declare function replitUsageToNovaTokens(unitsUsed?: number): number;
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