# Claude Opus 4.7 vs GPT-5.5

As of Oct 15, 2026, Claude Opus 4.7 leads GPT-5.5 in 4 of 8 shared categories: General LLM, Reasoning, Coding › Web dev, and Long context.

Claude Opus 4.7: $10 per 1M blended tokens.

GPT-5.5: $11.25 per 1M blended tokens.

Claude Opus 4.7: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.7 leads GPT-5.5 in General LLM at #5 against #22.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.7 leads GPT-5.5 in Reasoning at #4 against #26.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.5 leads Claude Opus 4.7 in Science at #30 against #34.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.7 leads GPT-5.5 in Coding › Web dev at #34 against #48.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.7 leads GPT-5.5 in Long context at #4 against #26.
- Which to pick, Vision: As of Oct 15, 2026, GPT-5.5 leads Claude Opus 4.7 in Vision at #10 against #20.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.5 leads Claude Opus 4.7 in Factuality at #5 against #13.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads Claude Opus 4.7 in Abstraction (ARC) at #7 against #11.

As of Oct 15, 2026, Claude Opus 4.7 is near state of the art, rank #4 in Reasoning (since Oct 15, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, GPT-5.5 is near state of the art, rank #5 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).