Claude Opus 5.5 vs Muse Wonder
As of Oct 14, 2026, Claude Opus 5.5 leads Muse Wonder in 2 of 6 shared categories: Coding › Web dev and Long context.
Claude Opus 5.5
Yes. SOTA in co-SOTA in Reasoning, co-SOTA in Coding, co-SOTA in Coding › Agentic, Coding › Web dev, co-SOTA in Long context and co-SOTA in Factuality.
Muse Wonder
Too new. Too new to call. The crown still needs confirming evidence.
| Category | Claude Opus 5.5 | Muse Wonder |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #1 · Pending · General LLM Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #1 · Pending · Reasoning Margin 0.6849315068493098 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Coding › Web dev Margin 10.280373831775705 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Long context Margin 4.761904761904745 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | #2 · Pending · Vision Margin 7.89473684210526 Epoch AI benchmarking hub · Oct 12, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #1 · Pending · Factuality Margin 1.492537313432834 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
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.
General LLM: As of Oct 14, 2026, Muse Wonder leads Claude Opus 5.5 in General LLM at #1 against #2.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 and Muse Wonder share #1 in Reasoning.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Muse Wonder in Coding › Web dev at #1 against #12.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Muse Wonder in Long context at #1 against #7.
Vision: As of Oct 14, 2026, Muse Wonder leads Claude Opus 5.5 in Vision at #2 against #4.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 and Muse Wonder share #1 in Factuality.
Claude Opus 5.5 or Muse Wonder?
As of Oct 14, 2026, Claude Opus 5.5 leads Muse Wonder in 2 of 6 shared categories: Coding › Web dev and Long context.
Claude Opus 5.5 or Muse Wonder for General LLM?
As of Oct 14, 2026, Muse Wonder leads Claude Opus 5.5 in General LLM at #1 against #2.
Claude Opus 5.5 or Muse Wonder for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 and Muse Wonder share #1 in Reasoning.
Claude Opus 5.5 or Muse Wonder for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 5.5 leads Muse Wonder in Coding › Web dev at #1 against #12.