# Claude Opus 4.1 vs Muse Spark

As of Oct 15, 2026, Claude Opus 4.1 leads Muse Spark in 0 of 7 shared categories.

Claude Opus 4.1: $29.999999999999996 per 1M blended tokens.

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

Claude Opus 4.1: closed weights.

Muse Spark: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in General LLM at #12 against #73.
- Which to pick, Reasoning: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in Reasoning at #17 against #60.
- Which to pick, Math: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in Math at #7 against #27.
- Which to pick, Science: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in Science at #37 against #83.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in Coding › Web dev at #12 against #84.
- Which to pick, Long context: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in Long context at #44 against #52.
- Which to pick, Factuality: As of Oct 15, 2026, Muse Spark leads Claude Opus 4.1 in Factuality at #27 against #93.

As of Oct 15, 2026, Claude Opus 4.1 is a former state-of-the-art holder in General LLM (since Aug 18, 2025; 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).