waypoints.si The sky Every system The lead Countries Forecast revisions
GPT-5.2
OpenAI, 11 Dec 2025.
- Lab
- OpenAI
- Released
- 11 Dec 2025
- Kind
- Language modeling/generation
- Training compute
- Not disclosed
- Parameters
- Not disclosed
- Capability index
- 153.4 (Epoch)
- Task length at 50% success
- 5.9 h (METR)
- Organisations
- OpenAI
- Country
- United States
Data: Epoch AI (Creative Commons Attribution), releases too new for it from OpenRouter, and METR. Updated 25 Sep 2026.