o3-pro vs Claude 3.5 Sonnet

Detailed comparison of capabilities, features, and performance.

Feature
o3-pro
Claude 3.5 Sonnet
Model Image
o3-pro
Claude 3.5 Sonnet
AI Lab
OpenAI
Anthropic
Context Size
200,000 tokens
204,800 tokens
Max Output Size
100,000 tokens
8,192 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 Sonnet 3.5 model from Anthropic

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