o1-preview / o1-mini
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o1-preview / o1-mini — Learning to Reason with LLMs
Why it matters
The first commercial reasoning model; on AIME 2024, from 12% for GPT-4o to 74% for o1
Source — Primary sources first; secondary reports are labelled “Press”
Officialopenai.comhttps://openai.com/index/learning-to-reason-with-llms/Added in Week 35, 2026 · See that week
On the map — ⑥ Reasoning Models line
- Previous stopClaude 3.5 Sonnet
- This record · stopo1-preview
- Next stopGoogle introduces Gemini 2.0
In the model family tree — GPT family · 23 versions
- Earlier versionThe first version in this branch
- This recordo1-preview / o1-mini
- Later versiono3-mini