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o1
Frontier OpenAI
Claude 3.5 Sonnet Frontier Claude 3.7 Sonnet Frontier Claude 3.7 Sonnet (high output) Frontier Claude 3.7 Sonnet (thinking) Frontier Claude 4 Opus Frontier Claude 4 Opus (thinking) Frontier Claude 4 Sonnet Frontier Claude 4 Sonnet (thinking) Frontier Claude 4.1 Opus Frontier Gemini 2.5 Pro Frontier

o1

o1 is OpenAI's new reasoning model for complex tasks that require broad general knowledge

Model Specifications

Context window 128,000 tokens
Max output 100,000 tokens
Knowledge cutoff December 2024
Multipart messages No
Vision capabilities No

Default Parameters

Top P 1.0
Frequency penalty 0.0
Presence penalty 0.0
Try on Simtheory

Supported Parameters

Temperature

Not supported

Controls randomness: Lower values make output more deterministic, higher values more creative.

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