o1 vs Claude 4 Opus

Detailed comparison of capabilities, features, and performance.

Feature
o1
Claude 4 Opus
Model Image
o1
Claude 4 Opus
AI Lab
OpenAI
Anthropic
Context Size
128,000 tokens
200,000 tokens
Max Output Size
100,000 tokens
64,000 tokens
Frontier Model
Yes
Yes
Vision Support
No
Yes
Description
o1 is OpenAI's new reasoning model for complex tasks that require broad general knowledge
The latest Opus 4 model from Anthropic

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