o3-mini vs Claude 4.6 Sonnet

Detailed comparison of capabilities, features, and performance.

o3-mini

o3-mini

OpenAI
VS
Claude 4.6 Sonnet

Claude 4.6 Sonnet

Anthropic
Feature o3-mini Claude 4.6 Sonnet
AI Lab OpenAI Anthropic
Context Size 200,000 tokens 1,000,000 tokens
Max Output Size 100,000 tokens 16,000 tokens
Frontier Model Yes Yes
Vision Support No Yes
Description o3-mini is a fast cost-efficient reasoning model tailored to coding math and science use cases The latest Sonnet 4.6 model from Anthropic

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