OpenAIo1 Preview spotted on Arena
o1 Preview is a model from OpenAI, released on 12 Sep 2024. First seen 11 Sep 2026. Catalogues list a 128,000 tokens context window. 3 evidence links.
Facts as of
- Context window
- 128,000
- Max output
- 32,768
- Input
- text
- Output
- text
Alex's take
Alex has not commented on this signal yet. When Alex posts about a signal, the post appears here and on the home page beside it.
Evidence links 3
- Arena · leaderboardsfirst · platform.openai.com
- Artificial Analysis · benchmarksevidence linkartificialanalysis.ai
- OpenAI · model indexevidence linkdevelopers.openai.com