o3
OpenAI released the 推理 model · Launched on 2025-04
Commercial Closed-source
推理
闭源
API 可用
模型简介
o3 is OpenAI's most powerful reasoning model, employing chain-of-thought deep reasoning mechanisms, achieving unprecedented levels in mathematics, programming, and scientific reasoning. It achieved excellent results in the 2025 IOI gold-medal-level programming competition and surpassed human experts on the GPQA doctoral-level scientific reasoning benchmark. Suitable for complex reasoning tasks requiring deep thought.
核心特性
- 深度链式思考推理
- 200K tokens 上下文
- 数学与编程领域顶尖
- 工具调用与结构化输出
核心优势
- 推理能力业界最强
- 数学竞赛级水平
- 复杂编程任务出色
技术规格
参数量
未公开
上下文窗口
200K tokens
API 支持
Yes
开源状态
Closed Source
发布日期
2025-04
提供商
OpenAI
价格信息
输入 $10.00/1M tokens，输出 $40.00/1M tokens
基准测试
AIME 2025 96.7%, GPQA Diamond 87.7%, Codeforces 2724 ELO