o4-mini-high vs Claude 4.6 Opus

Detailed comparison of capabilities, features, and performance.

o4-mini-high

o4-mini-high

OpenAI
VS
Claude 4.6 Opus

Claude 4.6 Opus

Anthropic
Feature o4-mini-high Claude 4.6 Opus
AI Lab OpenAI Anthropic
Context Size 200,000 tokens 1,000,000 tokens
Max Output Size 100,000 tokens 125,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description High mode thinks for longer. Optimized for fast & effective reasoning. Best for coding and visual tasks. The latest Opus 4.6 model from Anthropic

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