# GLM 5.3 vs Muse Spark

As of Oct 15, 2026, GLM 5.3 leads Muse Spark in 2 of 6 shared categories: Science and Long context.

GLM 5.3: $1.275 per 1M blended tokens.

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

GLM 5.3: open weights.

Muse Spark: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark leads GLM 5.3 in General LLM at #12 against #24.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark leads GLM 5.3 in Reasoning at #17 against #19.
- Which to pick, Science: As of Oct 15, 2026, GLM 5.3 leads Muse Spark in Science at #28 against #37.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark leads GLM 5.3 in Coding › Web dev at #12 against #20.
- Which to pick, Long context: As of Oct 15, 2026, GLM 5.3 leads Muse Spark in Long context at #31 against #44.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark leads GLM 5.3 in Factuality at #27 against #31.

As of Oct 15, 2026, GLM 5.3 is tied for state of the art in General LLM (since Oct 13, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 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).