# GPT-5.4 vs Muse Spark

As of Oct 14, 2026, GPT-5.4 leads Muse Spark in 3 of 7 shared categories: Science, Long context, and Factuality.

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

Muse Spark: price per 1M tokens is unset in the catalog.

GPT-5.4: closed weights.

Muse Spark: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Muse Spark leads GPT-5.4 in General LLM at #12 against #28.
- Which to pick, Reasoning: As of Oct 14, 2026, Muse Spark leads GPT-5.4 in Reasoning at #17 against #29.
- Which to pick, Math: As of Oct 14, 2026, Muse Spark leads GPT-5.4 in Math at #7 against #9.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.4 leads Muse Spark in Science at #16 against #37.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Muse Spark leads GPT-5.4 in Coding › Web dev at #8 against #55.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.4 leads Muse Spark in Long context at #34 against #38.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.4 leads Muse Spark in Factuality at #6 against #23.

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).

As of Oct 14, 2026, Muse Spark is a former state-of-the-art holder in General LLM (since May 18, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).