o3-pro vs Claude 4.1 Opus

Detailed comparison of capabilities, features, and performance.

Feature
o3-pro
Claude 4.1 Opus
Model Image
o3-pro
Claude 4.1 Opus
AI Lab
OpenAI
Anthropic
Context Size
200,000 tokens
200,000 tokens
Max Output Size
100,000 tokens
64,000 tokens
Frontier Model
Yes
Yes
Vision Support
No
Yes
Description
o3-pro a version of o3 that uses more compute to think harder and provide reliable answers to challenging problems.
The latest Opus 4.1 model from Anthropic

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