# Claude Opus 5.5 vs Muse Wonder

As of Oct 15, 2026, Claude Opus 5.5 leads Muse Wonder in 2 of 6 shared categories: Coding › Web dev and Long context.

Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.

Muse Wonder: $8.000000000000002 per 1M blended tokens.

Claude Opus 5.5: closed weights.

Muse Wonder: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Muse Wonder leads Claude Opus 5.5 in General LLM at #1 against #2.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 5.5 and Muse Wonder share #1 in Reasoning.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 5.5 leads Muse Wonder in Coding › Web dev at #1 against #13.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 5.5 leads Muse Wonder in Long context at #1 against #7.
- Which to pick, Vision: As of Oct 15, 2026, Muse Wonder leads Claude Opus 5.5 in Vision at #2 against #4.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 5.5 and Muse Wonder share #1 in Factuality.

As of Oct 15, 2026, Claude Opus 5.5 is tied for state of the art in Reasoning (since Oct 2, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, Muse Wonder is leading, crown pending confirmation in General LLM (since Oct 15, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).