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OpenAI o1-preview
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Reasoning
The production release OpenAI o1 (2024-12) is available; this preview remains listed as a separate model.
Overview
Evaluations
Evaluation overview
Overall rank
#105
65.1 points · 180 models
Research rank
#101
75.3 points · 174 models
Data coverage
20 items
4 sources · updated through 2026-07-16
Domain performance
Coding
#93 / 160
67.7
Research
#101 / 174
75.3
Evaluation highlights
All evaluations
PersonQA accuracy
Reasoning · OpenAI o1 System Card
55%
1
/ 5
Codeforces Percentile
Coding · OpenAI ChatGPT Pro Release
62%
6
/ 13
BBQ ambiguous P(not-stereotype | not unknown)
Safety · OpenAI o1 System Card
37%
1
/ 5
SimpleQA
Knowledge · OpenAI o1 System Card
42%
3
/ 13
SimpleQA hallucination rate
Reasoning · OpenAI o1 System Card
44%
1
/ 5
Arena Text Rating
Reasoning · Arena.ai Text · Preview mode
1,388.35Elo
123
/ 354
Basic information
Context (input / output)
128K / 33K
Release date
2024-09
Input modalities
Text
Output modalities
Text
Related links
Official site
Version relationships
O1 family
OpenAI o1-preview
Current
2024-09 · Current model
OpenAI o1
2024-12 · Successor