O1
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought.
Input
Output
Context
200K
Max Output
100K
Parameters
—
Technical Specifications
Model TypeChat
Context Window200K
Max Output Tokens100K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
textimagefile
Output Modalities
text
Features
chain_of_thoughtcode_generationextended_thinkingreasoningvision
Benchmarks
Chatbot Arena
#47
Rank (Text)
+4/-4
arena text ci 95
1353
Arena Score (Text)
33,177
Votes (Text)
Artificial Analysis
7.7%
HLE
72.3%
AIME
74.7%
GPQA
35.8%
SciCode
97.0%
MATH 500
84.1%
MMLU Pro
20.5
Coding
67.9%
LiveCodeBench
30.8
Intelligence
102
Speed (tok/s)
18.8
TTFA (s)
18.8
TTFT (s)
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
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