Claude Opus 4.7 vs GPT-5.5 Pro

Anthropic vs OpenAI — compared on intelligence, speed, and capabilities.

	Claude Opus 4.7	GPT-5.5 Pro
Intelligence	97	98
Speed	63	45

Claude Opus 4.7

Anthropic's latest and most capable model with industry-leading intelligence for complex reasoning and autonomous task execution.

✓ reasoning
✓ temperature
✓ web search
✓ reasoning effort
✓ vision
✓ documents

Maximum-performance version of GPT-5.5 using more compute to think harder and provide consistently better answers. The most capable and accurate model in the GPT-5.5 family.

✓ reasoning
✓ web search
✓ reasoning effort
✓ vision
✓ documents

Run the same prompt on both, side by side

We use analytics cookies to understand how EVA is used and improve it. No chat content is ever collected.