# GPT-5.1 vs GPT-5.4

As of Oct 15, 2026, GPT-5.1 leads GPT-5.4 in 0 of 8 shared categories.

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

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

GPT-5.1: closed weights.

GPT-5.4: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in General LLM at #28 against #47.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Reasoning at #29 against #48.
- Which to pick, Math: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Math at #9 against #18.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Science at #16 against #48.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Coding › Web dev at #55 against #75.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Long context at #34 against #54.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Factuality at #6 against #37.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 leads GPT-5.1 in Abstraction (ARC) at #10 against #31.

As of Oct 15, 2026, GPT-5.1 is ranked #18 in Math (since Oct 15, 2026; sources Humanity's Last Exam; 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).