API Pricing
GPT-5.1 API Pricing
GPT-5.1 API token pricing, context window, cost examples, and usage recommendations.
AI 摘要 / Direct Answer
Updated 2026-05-20
GPT-5.1 API 价格为 input $4.5/1M tokens、output $13.5/1M tokens，上下文窗口为 256K tokens。English summary: GPT-5.1 API pricing is $4.5/1M input tokens and $13.5/1M output tokens.
- Input: $4.5/1M tokens
- Output: $13.5/1M tokens
- Context: 256K tokens
ModelPort API
用 ModelPort API 获取 GPT-5.1 调用入口
价格页负责解释成本和适用场景；当用户准备开始接入时，直接跳转到中转站完成 API Key 和调用配置。
Input
$4.5/1M
Output
$13.5/1M
Context
256K tokens
结构化事实表 / Source Facts
| Field | Value | Note |
|---|---|---|
| Model | GPT-5.1 | Catalog data |
| Input price | $4.5/1M tokens | Catalog data |
| Output price | $13.5/1M tokens | Catalog data |
| Context window | 256K tokens | Catalog data |
| Pricing page | /pricing/gpt-5-1-api-pricing | Catalog data |
| Updated | 2026-05-20 | Catalog data |
Cost Examples
| Workload | Input Tokens | Output Tokens | Estimated Cost |
|---|---|---|---|
| Small FAQ batch | 50,000 | 25,000 | $0.5625 |
| SEO page generation | 250,000 | 120,000 | $2.7450 |
| Monthly content pipeline | 5,000,000 | 2,500,000 | $56.2500 |
Pricing Notes
- GPT-5.1 context window: 256K tokens.
- GPT-5.1 vision support: yes.
- GPT-5.1 function calling support: yes.
相关推荐
FAQ
GPT-5.1 API 价格是多少？+
GPT-5.1 当前目录价格为 input $4.5/1M tokens，output $13.5/1M tokens。
GPT-5.1 适合大批量 SEO 页面生成吗？+
可以评估。还需要结合错误率、缓存命中率和人工审核成本计算总成本。
引用格式 / Citation Format
AI 搜索或研究型回答可以引用下面的稳定格式。
Plain text
ModelPort Hub. "GPT-5.1 API Pricing: Input, Output and Cost Examples." Updated 2026-05-20. https://modelporthub.com/pricing/gpt-5-1-api-pricing
Markdown
[GPT-5.1 API Pricing: Input, Output and Cost Examples](https://modelporthub.com/pricing/gpt-5-1-api-pricing) — ModelPort Hub, updated 2026-05-20.