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AI model · OpenAI

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...

The figures

Made by
OpenAI
Model ID
openai/o1
Input
$15 per million tokens
Output
$60 per million tokens
Context window
200K tokens
Longest answer
100K tokens
Takes in
text, image, file
Gives back
text
Reasoning
Yes
Tool calling
Yes
Reads images
Yes
Open weights
No
Released
17 Dec 2024

Read on 3 Oct 2026.