Claude Opus vs o3

Detailed comparison of capabilities, features, and performance.

Feature
Claude Opus
o3
Model Image
Claude Opus
o3
AI Lab
Anthropic
OpenAI
Context Size
204,800 tokens
200,000 tokens
Max Output Size
4,096 tokens
100,000 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
Anthropic's most powerful Claude 3 model
o3 is powerful across all domains. It excels at Math, Science, Coding and Visual Reasoning tasks. Best for multi-step problems, not everyday.

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