# Claude Haiku 4.5 vs Muse Spark 1.2

As of Oct 15, 2026, Claude Haiku 4.5 leads Muse Spark 1.2 in 0 of 5 shared categories.

Claude Haiku 4.5: $2.0000000000000004 per 1M blended tokens.

Muse Spark 1.2: $2.0000000000000004 per 1M blended tokens.

Claude Haiku 4.5: closed weights.

Muse Spark 1.2: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark 1.2 leads Claude Haiku 4.5 in General LLM at #8 against #133.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark 1.2 leads Claude Haiku 4.5 in Reasoning at #11 against #119.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.2 leads Claude Haiku 4.5 in Coding › Web dev at #42 against #103.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark 1.2 leads Claude Haiku 4.5 in Long context at #17 against #107.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark 1.2 leads Claude Haiku 4.5 in Factuality at #9 against #125.

As of Oct 15, 2026, Claude Haiku 4.5 is ranked #78 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).

As of Oct 15, 2026, Muse Spark 1.2 is a former state-of-the-art holder in General LLM (since Sep 11, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).