# Claude Sonnet 5.5 vs GPT-5.4

As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in 6 of 7 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, and Long context.

Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.

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

Claude Sonnet 5.5: closed weights.

GPT-5.4: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in General LLM at #27 against #28.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in Reasoning at #18 against #29.
- Which to pick, Math: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in Math at #4 against #9.
- Which to pick, Science: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in Science at #3 against #16.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in Coding › Web dev at #3 against #55.
- Which to pick, Long context: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 in Long context at #11 against #34.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5.5 in Factuality at #6 against #16.

As of Oct 14, 2026, Claude Sonnet 5.5 is tied for state of the art in Coding (since Oct 6, 2026; sources Terminal-Bench 4.0; methodology v1.0).

As of Oct 14, 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).