o3-mini vs Claude 4.7 Opus

Detailed comparison of capabilities, features, and performance.

o3-mini

o3-mini

OpenAI
VS
Claude 4.7 Opus

Claude 4.7 Opus

Anthropic
Feature o3-mini Claude 4.7 Opus
AI Lab OpenAI Anthropic
Context Size 200,000 tokens 200,000 tokens
Max Output Size 100,000 tokens 128,000 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 Opus 4.7 model from Anthropic — notable improvements in software engineering, instruction following, vision (high-res up to 2576px), and memory. Same $5/$25 per MTok pricing.

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