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fix: adjust pricing table with new opus 4.5 / haiku 4.5 prices #5

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Merged
jack21 merged 1 commit into from
Nov 28, 2025
Merged

fix: adjust pricing table with new opus 4.5 / haiku 4.5 prices #5

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152 changes: 99 additions & 53 deletions src/pricing.ts
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
// Claude 模型定價計算
// 基於 Anthropic 官方定價：https://docs.anthropic.com/en/docs/about-claude/pricing
// Claude Price calculation by model

import { ModelPricing } from './types';
import { ModelPricing } from "./types";

export interface TokenUsage {
input_tokens: number;
Expand All @@ -10,63 +9,93 @@ export interface TokenUsage {
cache_read_input_tokens?: number;
}

// 官方定價資料 (截至 2025-08-10)
const MILL = 1_000_000;

// Official Price Info (State 2025-11-28)
// https://platform.claude.com/docs/en/about-claude/models/overview
// https://platform.claude.com/docs/en/about-claude/pricing
const MODEL_PRICING: Record<string, ModelPricing> = {
// Claude Sonnet 4
'claude-sonnet-4-20250514': {
input_cost_per_token: 0.000003, // $3.00 / 1M tokens
output_cost_per_token: 0.000015, // $15.00 / 1M tokens
cache_creation_input_token_cost: 0.00000375, // $3.75 / 1M tokens (5分鐘快取)
cache_read_input_token_cost: 0.0000003 // $0.30 / 1M tokens
"claude-sonnet-4-20250514": {
input_cost_per_token: 3 / MILL, // $3.00 / 1M tokens
output_cost_per_token: 15 / MILL, // $15.00 / 1M tokens
cache_creation_input_token_cost: 3.75 / MILL, // $3.75 / 1M tokens (5min caching)
cache_read_input_token_cost: 0.3 / MILL, // $0.30 / 1M tokens
},

// Claude Opus 4
'claude-opus-4-20250514': {
input_cost_per_token: 0.000015, // $15.00 / 1M tokens
output_cost_per_token: 0.000075, // $75.00 / 1M tokens
cache_creation_input_token_cost: 0.00001875, // $18.75 / 1M tokens (5分鐘快取)
cache_read_input_token_cost: 0.0000015 // $1.50 / 1M tokens
"claude-opus-4-20250514": {
input_cost_per_token: 15 / MILL, // $15.00 / 1M tokens
output_cost_per_token: 75 / MILL, // $75.00 / 1M tokens
cache_creation_input_token_cost: 18.75 / MILL, // $18.75 / 1M tokens (5min caching)
cache_read_input_token_cost: 1.5 / MILL, // $1.50 / 1M tokens
},

// Claude Opus 4.1 (2025-08-05 版本)
'claude-opus-4-1-20250805': {
input_cost_per_token: 0.000015, // $15.00 / 1M tokens
output_cost_per_token: 0.000075, // $75.00 / 1M tokens
cache_creation_input_token_cost: 0.00001875, // $18.75 / 1M tokens (5分鐘快取)
cache_read_input_token_cost: 0.0000015 // $1.50 / 1M tokens
// Claude Opus 4.1 (2025-08-05)
"claude-opus-4-1-20250805": {
input_cost_per_token: 15 / MILL, // $15.00 / 1M tokens
output_cost_per_token: 75 / MILL, // $75.00 / 1M tokens
cache_creation_input_token_cost: 18.75 / MILL, // $18.75 / 1M tokens (5min caching)
cache_read_input_token_cost: 1.5 / MILL, // $1.50 / 1M tokens
},
// Claude Opus 4.1 (別名支援)
'claude-opus-4-1': {
input_cost_per_token: 0.000015, // $15.00 / 1M tokens
output_cost_per_token: 0.000075, // $75.00 / 1M tokens
cache_creation_input_token_cost: 0.00001875, // $18.75 / 1M tokens (5分鐘快取)
cache_read_input_token_cost: 0.0000015 // $1.50 / 1M tokens

// Claude Opus 4.1 (alias)
"claude-opus-4-1": {
input_cost_per_token: 15 / MILL, // $15.00 / 1M tokens
output_cost_per_token: 75 / MILL, // $75.00 / 1M tokens
cache_creation_input_token_cost: 18.75 / MILL, // $18.75 / 1M tokens (5min caching)
cache_read_input_token_cost: 1.5 / MILL, // $1.50 / 1M tokens
},

// Claude Sonnet 3.5 (向後相容)
'claude-3-5-sonnet-20241022': {
input_cost_per_token: 0.000003,
output_cost_per_token: 0.000015,
cache_creation_input_token_cost: 0.00000375,
cache_read_input_token_cost: 0.0000003
// Claude Opus 4.5 (2025-11 v01)
"claude-opus-4-5-20251101": {
input_cost_per_token: 5 / MILL, // $5.00 / 1M tokens
output_cost_per_token: 25 / MILL, // $25.00 / 1M tokens
cache_creation_input_token_cost: 6 / MILL, // $6 / 1M tokens (5min caching)
cache_read_input_token_cost: 0.5 / MILL, // $0.50 / 1M tokens
},

// Claude Haiku 3.5 (向後相容)
'claude-3-5-haiku-20241022': {
input_cost_per_token: 0.000001, // $1.00 / 1M tokens
output_cost_per_token: 0.000005, // $5.00 / 1M tokens
cache_creation_input_token_cost: 0.00000125, // $1.25 / 1M tokens
cache_read_input_token_cost: 0.0000001 // $0.10 / 1M tokens
}
// Claude Opus 4.5 (alias)
"claude-opus-4-5": {
input_cost_per_token: 5 / MILL, // $5.00 / 1M tokens
output_cost_per_token: 25 / MILL, // $25.00 / 1M tokens
cache_creation_input_token_cost: 6 / MILL, // $6 / 1M tokens (5min caching)
cache_read_input_token_cost: 0.5 / MILL, // $0.50 / 1M tokens
},

// Claude Sonnet 3.5 (2024-10-22)
"claude-3-5-sonnet-20241022": {
input_cost_per_token: 3 / MILL, // $3.00 / 1M tokens
output_cost_per_token: 15 / MILL, // $15.00 / 1M tokens
cache_creation_input_token_cost: 3.75 / MILL, // $3.75 / 1M tokens (5min caching)
cache_read_input_token_cost: 0.3 / MILL, // $0.30 / 1M tokens
},

// Claude Haiku 3.5 (Not used anymore)
"claude-3-5-haiku-20241022": {
input_cost_per_token: 0.8 / MILL, // $0.8 / 1M tokens
output_cost_per_token: 4 / MILL, // $4.00 / 1M tokens
cache_creation_input_token_cost: 1.6 / MILL, // $1.6 / 1M tokens
cache_read_input_token_cost: 0.08 / MILL, // $0.08 / 1M tokens
},

// Claude Haiku 4.5 (2025-10 v01)
"claude-haiku-4-5-20251001": {
input_cost_per_token: 1 / MILL, // $1.00 / 1M tokens
output_cost_per_token: 5 / MILL, // $5.00 / 1M tokens
cache_creation_input_token_cost: 1.25 / MILL, // $1.25 / 1M tokens
cache_read_input_token_cost: 0.1 / MILL, // $0.10 / 1M tokens
},
};

/**
* 獲取模型的定價資訊
* @param modelName 模型名稱
* @returns 定價資訊，如果找不到則返回 null
*/
export function getModelPricing(modelName: string | undefined): ModelPricing | null {
export function getModelPricing(
modelName: string | undefined,
): ModelPricing | null {
if (!modelName) {
return null;
}
Expand All @@ -92,8 +121,10 @@ export function getModelPricing(modelName: string | undefined): ModelPricing | n
}

// 如果是未知模型，使用 Sonnet 4 的定價作為預設值
console.warn(`Unknown model: ${modelName}, using Sonnet 4 pricing as fallback`);
return MODEL_PRICING['claude-sonnet-4-20250514'];
console.warn(
`Unknown model: ${modelName}, using Sonnet 4 pricing as fallback`,
);
return MODEL_PRICING["claude-sonnet-4-20250514"];
}

/**
Expand All @@ -102,7 +133,10 @@ export function getModelPricing(modelName: string | undefined): ModelPricing | n
* @param pricing 定價資訊
* @returns 總成本 (USD)
*/
export function calculateCostFromPricing(tokens: TokenUsage, pricing: ModelPricing): number {
export function calculateCostFromPricing(
tokens: TokenUsage,
pricing: ModelPricing,
): number {
let cost = 0;

// 輸入 tokens 成本
Expand All @@ -116,13 +150,22 @@ export function calculateCostFromPricing(tokens: TokenUsage, pricing: ModelPrici
}

// 快取建立 tokens 成本
if (tokens.cache_creation_input_tokens != null && pricing.cache_creation_input_token_cost != null) {
cost += tokens.cache_creation_input_tokens * pricing.cache_creation_input_token_cost;
if (
tokens.cache_creation_input_tokens != null &&
pricing.cache_creation_input_token_cost != null
) {
cost +=
tokens.cache_creation_input_tokens *
pricing.cache_creation_input_token_cost;
}

// 快取讀取 tokens 成本
if (tokens.cache_read_input_tokens != null && pricing.cache_read_input_token_cost != null) {
cost += tokens.cache_read_input_tokens * pricing.cache_read_input_token_cost;
if (
tokens.cache_read_input_tokens != null &&
pricing.cache_read_input_token_cost != null
) {
cost +=
tokens.cache_read_input_tokens * pricing.cache_read_input_token_cost;
}

return cost;
Expand All @@ -134,12 +177,15 @@ export function calculateCostFromPricing(tokens: TokenUsage, pricing: ModelPrici
* @param modelName 模型名稱
* @returns 總成本 (USD)，如果找不到定價則返回 0
*/
export function calculateCostFromTokens(tokens: TokenUsage, modelName: string | undefined): number {
export function calculateCostFromTokens(
tokens: TokenUsage,
modelName: string | undefined,
): number {
const pricing = getModelPricing(modelName);

if (!pricing) {
return 0;
}

return calculateCostFromPricing(tokens, pricing);
}
}