# Claude Haiku 5.5 vs Muse Spark

As of Oct 15, 2026, Claude Haiku 5.5 leads Muse Spark in 0 of 3 shared categories.

Claude Haiku 5.5: $0.19999999999999998 per 1M blended tokens.

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

Claude Haiku 5.5: closed weights.

Muse Spark: closed weights.

- Which to pick, Math: As of Oct 15, 2026, Muse Spark leads Claude Haiku 5.5 in Math at #7 against #13.
- Which to pick, Science: As of Oct 15, 2026, Muse Spark leads Claude Haiku 5.5 in Science at #37 against #38.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark leads Claude Haiku 5.5 in Coding › Web dev at #12 against #28.

As of Oct 15, 2026, Claude Haiku 5.5 is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; 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).