# Claude Opus 4.6 vs Muse Spark 1.2

As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

Claude Opus 4.6: $10 per 1M blended tokens.

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

Claude Opus 4.6: closed weights.

Muse Spark 1.2: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in General LLM at #4 against #8.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Reasoning at #2 against #11.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Coding › Web dev at #37 against #42.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Long context at #2 against #17.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Factuality at #3 against #9.

As of Oct 15, 2026, Claude Opus 4.6 is near state of the art, rank #2 in Reasoning (since Oct 15, 2026; sources LMArena Text (style-controlled, hard prompts); 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).