主流大模型 API 计费标准对比（2026-09）

{
  "schema_version": "1.0",
  "price_table_version": "2026-09-23",
  "fx": { "USD_CNY": 6.70, "as_of": "2026-09-22", "source": "FRED DEXCHUS" },
  "unit": "price_per_1M_tokens",
  "models": [
    {
      "model_id": "gpt-5.6-sol",
      "vendor": "openai",
      "display_name": "GPT-5.6 Sol",
      "tier": "flagship",
      "currency": "USD",
      "input_price": 4.0,
      "cached_input_price": 0.40,
      "cache_write_price_5m": null,
      "cache_write_price_1h": null,
      "cache_storage_price_per_1M_per_hour": null,
      "output_price": 20.0,
      "batch_discount": 0.5,
      "context_window": 400000,
      "max_output_tokens": 128000,
      "context_tiers": [
        { "max_prompt_tokens": 272000, "input_multiplier": 1.0, "output_multiplier": 1.0 },
        { "max_prompt_tokens": null,   "input_multiplier": 2.0, "output_multiplier": 1.5 }
      ],
      "off_peak": { "enabled": false, "discount": 1.0, "windows_utc": [] },
      "free_quota_tokens": 0,
      "free_quota_days": 0,
      "min_monthly_charge": 0,
      "rate_limit": { "rpm": null, "tpm": null, "concurrency": null },
      "effective_from": "2026-07-30",
      "effective_to": null,
      "source_url": "https://help.openai.com/en/articles/20001415-chatgpt-rate-card-enterprise-token-based-pricing",
      "retrieved_at": "2026-09-23",
      "notes": "Fast/Priority 模式约为标准价 2 倍"
    }
  ]
}

{
  "request_id": "...", "model_id": "qwen3.7-plus", "ts": "2026-09-23T10:12:03+08:00",
  "uncached_input_tokens": 4200,   // 未命中缓存的输入 token
  "cached_input_tokens": 8600,     // 命中缓存的输入 token
  "cache_write_tokens": 0,         // 本请求写入缓存的 token（Anthropic 计 1.25x/2x）
  "output_tokens": 980,            // 可见输出
  "reasoning_tokens": 640,         // 思考/推理 token，按输出价计费
  "is_batch": false,               // 是否 Batch 调用（×batch_discount）
  "is_off_peak": false,            // 是否错峰（DeepSeek）
  "prompt_tokens_total": 12800     // 用于命中 context_tiers 判定
}

# 1) 判定长上下文档位（整请求生效）
mult_in, mult_out = pick_tier(prompt_tokens_total, model.context_tiers)   # 默认 (1.0, 1.0)

# 2) 基础费用
cost = (uncached_input_tokens / 1e6) * model.input_price       * mult_in
     + (cached_input_tokens   / 1e6) * model.cached_input_price * mult_in
     + (cache_write_tokens    / 1e6) * model.cache_write_price_5m
     + ((output_tokens + reasoning_tokens) / 1e6) * model.output_price * mult_out

# 3) 叠加折扣
if is_batch:    cost *= model.batch_discount          # 普遍 0.5
if is_off_peak: cost *= model.off_peak.discount       # DeepSeek 0.5

# 4) 币种归一（报表统一到 CNY 或 USD）
cost_cny = cost * fx.USD_CNY if model.currency == "USD" else cost

# 5) 月度聚合 + 免费额度抵扣
monthly = sum(cost_cny) - remaining_free_quota_value(model_id, month)