# Claude Opus 4.6 vs GPT-5.4

As of Oct 15, 2026, Claude Opus 4.6 leads GPT-5.4 in 5 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

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

GPT-5.4: $5.625 per 1M blended tokens.

Claude Opus 4.6: closed weights.

GPT-5.4: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads GPT-5.4 in General LLM at #4 against #30.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads GPT-5.4 in Reasoning at #2 against #32.
- Which to pick, Math: As of Oct 15, 2026, GPT-5.4 leads Claude Opus 4.6 in Math at #9 against #11.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 leads Claude Opus 4.6 in Science at #16 against #32.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.6 leads GPT-5.4 in Coding › Web dev at #37 against #60.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.6 leads GPT-5.4 in Long context at #2 against #40.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads GPT-5.4 in Factuality at #3 against #6.

As of Oct 15, 2026, Claude Opus 4.6 is near state of the art, rank #2 in Reasoning (since Oct 15, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, GPT-5.4 is a former state-of-the-art holder in General LLM (since Apr 10, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).