/**
 * Model Configuration — Maps tiers to model IDs and limits.
 */
import type { ModelTier } from "./types.js";
export interface ModelConfig {
    id: string;
    maxOutput: number;
    contextWindow: number;
    costPer1kInput: number;
    costPer1kOutput: number;
}
export declare function getModelConfig(tier: ModelTier): ModelConfig;
export declare function getModelId(tier: ModelTier): string;
export declare function getMaxOutput(tier: ModelTier): number;
export declare function estimateCost(usage: {
    inputTokens: number;
    outputTokens: number;
}, tier: ModelTier): number;