# Claude Fable 5 vs Muse Spark

As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in 4 of 6 shared categories: General LLM, Reasoning, Long context, and Factuality.

Claude Fable 5: $20 per 1M blended tokens.

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

Claude Fable 5: closed weights.

Muse Spark: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in General LLM at #3 against #12.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Reasoning at #3 against #17.
- Which to pick, Science: As of Oct 15, 2026, Muse Spark leads Claude Fable 5 in Science at #37 against #56.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark leads Claude Fable 5 in Coding › Web dev at #12 against #19.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Long context at #3 against #44.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Factuality at #7 against #27.

As of Oct 15, 2026, Claude Fable 5 is near state of the art, rank #3 in General LLM (since Oct 15, 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).