waypoints.si The sky Every system The lead Countries Forecast revisions
gpt-oss-20b
OpenAI, 5 Aug 2025.
- Lab
- OpenAI
- Released
- 5 Aug 2025
- Kind
- Language, Language modeling/generation
- Training compute
- 5.5 × 10²³ FLOP
- Parameters
- 20.9 billion
- Capability index
- 137.8 (Epoch)
- Organisations
- OpenAI
- Country
- United States
See it in the 3D sky Paper or announcement
Data: Epoch AI (Creative Commons Attribution), releases too new for it from OpenRouter, and METR. Updated 25 Sep 2026.