长上下文价格
一些提供商在单个提示超过一定长度（200K 或 272K Token）后提高单价。下表显示每 1M Token 的常规 → 长上下文价格，以及一次 500K Token 提示加 2K Token 回答的费用。
| 模型 | 阈值 | 输入 /1M | 输出 /1M | 单次 500K 请求 |
|---|---|---|---|---|
| GPT-6 Luna | 272K | $0.10 → $0.20 | $0.50 → $0.75 | $0.10 |
| GPT-5.6 Luna | 272K | $0.20 → $0.40 | $1.20 → $1.80 | $0.20 |
| Grok Build 0.1 | 200K | $1.00 → $2.00 | $2.00 → $4.00 | $1.01 |
| Grok Code Fast 1 | 200K | $1.00 → $2.00 | $2.00 → $4.00 | $1.01 |
| Gemini 2.5 Pro | 200K | $1.25 → $2.50 | $10.00 → $15.00 | $1.28 |
| Grok 4.3 | 200K | $1.25 → $2.50 | $2.50 → $5.00 | $1.26 |
| Grok 4.20 Non Reasoning | 200K | $1.25 → $2.50 | $2.50 → $5.00 | $1.26 |
| Grok 4.20 Reasoning | 200K | $1.25 → $2.50 | $2.50 → $5.00 | $1.26 |
| GPT-6.1 Sol | 272K | $2.00 → $4.00 | $10.00 → $15.00 | $2.03 |
| GPT-6 Sol | 272K | $2.00 → $4.00 | $10.00 → $15.00 | $2.03 |
| Grok 4.7 | 200K | $2.00 → $4.00 | $6.00 → $12.00 | $2.02 |
| Grok 4.6 | 200K | $2.00 → $4.00 | $6.00 → $12.00 | $2.02 |
| GPT-5.6 Terra | 272K | $2.00 → $4.00 | $12.00 → $18.00 | $2.04 |
| Grok 4.5 | 200K | $2.00 → $4.00 | $6.00 → $12.00 | $2.02 |
| Gemini 3.1 Pro Preview | 200K | $2.00 → $4.00 | $12.00 → $18.00 | $2.04 |
| Gemini Pro (latest) | 200K | $2.00 → $4.00 | $12.00 → $18.00 | $2.04 |
| GPT-5.4 | 272K | $2.50 → $5.00 | $15.00 → $22.50 | $2.54 |
| Claude Sonnet 4.5 | 200K | $3.00 → $6.00 | $15.00 → $22.50 | $3.04 |
| GPT-5.6 Sol | 272K | $4.00 → $8.00 | $20.00 → $30.00 | $4.06 |
| GPT-5.5 | 272K | $5.00 → $10.00 | $30.00 → $45.00 | $5.09 |
| GPT-6 Astra | 272K | $10.00 → $20.00 | $50.00 → $75.00 | $10.15 |
未列出的模型要么在我们的数据中没有长上下文价格档，要么在任何长度下价格相同。
常见问题
整个请求都按高价计费吗？
大多数提供商是的：一旦提示超过阈值，该请求的所有输入和输出 Token 都按长上下文价格计费，而不仅是超出部分。
如何避免加价？
用检索只发送相关片段让提示保持在阈值以下、总结较早的对话轮次，或对重复部分使用提示缓存。