OpenAI o1
- Made by
- OpenAI
- Released
- Announced in
- OpenAI o1 and new tools for developersopenai.com
- Event
- o1 for developers
- API record
- /api/v1/models/openai-o1
Benchmark results
| Benchmark | Score | Source check |
|---|---|---|
| GPQA Diamond | 75.7% | |
| high reasoning effort; o1 version not stated · reported later, in Introducing OpenAI o3 and o4-mini | 78.0% | CheckedA person checked this number against its source on 20 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced. |
Sources
Reported by OpenAI
- OpenAI o1 and new tools for developersopenai.com · 17 Dec 2024
Our capture of the source - Introducing OpenAI o3 and o4-miniopenai.com · 16 Apr 2025
Our capture of the source