GPT-5.1 Codex
OpenAI 面向 Codex 工作流优化的 GPT-5.1 编程模型。
上下文窗口
400,000
GPT-5.1 Codex
最大输出
128,000
1M tokens
输入
$1.25
输出
$10
gpt-5.1-codex试玩区
gpt-5.1-codex暂无输出
定价
| 方案 | 上下文窗口 | 最大输出 | 输入 | 输出 | 缓存写入 | 缓存读取 |
|---|---|---|---|---|---|---|
GPT-5.1 Codex | 400,000 | 128,000 | $1.25 | $10 | - | $0.125 |
该价格为 OpenAI 官方 GPT-5.1-Codex 定价。
缓存输入价格适用于复用的提示词 tokens。
缓存读取或缓存输入价格适用于复用的提示词 tokens。
README
- OpenAI 将 GPT-5.1-Codex 描述为面向编程任务优化的 GPT-5.1 变体，并以持续更新的快照形式提供。
- 它适合复杂实现任务，强调代码质量、工具调用能力与更长任务链路下的稳定表现。
- 相较通用模型，GPT-5.1 Codex 更偏向软件工程场景与智能体开发工作流。
API
API
端点
POST /v1/responses认证
Authorization: Bearer YOUR_REACH_API_KEY Content-Type: application/json
示例
curl -X POST "https://direct.reachapi.ai/v1/responses" \
-H "Authorization: Bearer YOUR_REACH_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "YOUR_MODEL_ID",
"input": "Introduce ReachAPI in one sentence.",
"temperature": 0.2
}'相关模型
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