# Claude Opus 4.6 vs GPT-5.1

As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, and Factuality.

Claude Opus 4.6: $10 per 1M blended tokens.

GPT-5.1: $3.4375000000000004 per 1M blended tokens.

Claude Opus 4.6: closed weights.

GPT-5.1: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in General LLM at #4 against #47.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in Reasoning at #2 against #48.
- Which to pick, Math: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in Math at #11 against #18.
- Which to pick, Science: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in Science at #32 against #48.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in Coding › Web dev at #35 against #75.
- Which to pick, Long context: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in Long context at #2 against #54.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.1 in Factuality at #3 against #37.

As of Oct 14, 2026, Claude Opus 4.6 is near state of the art, rank #2 in Reasoning (since Oct 14, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 14, 2026, GPT-5.1 is ranked #18 in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).