Claude Opus 5.5 vs Muse Wonder
Both have similar output pricing, while Muse Wonder offers a larger context window. Choose Claude Opus 5.5 or Muse Wonder based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Opus 5.5 | Muse Wonder |
|---|---|---|
| Provider | Anthropic | Meta |
| Input / 1M tokens | $4.00 | $4.00 |
| Output / 1M tokens | $20.00 | $20.00 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | — | — |
| Released | — | — |
| LMArena (Chatbot Arena) Elo score | 1516 | 1504 |
| LMArena WebDev Elo score | 1811 | 1651 |
| LMArena Vision Elo score | 1321 | — |
| GPQA Diamond score | 90.6 | — |
| Epoch Capabilities Index score | 167 | — |
FAQ
Is Claude Opus 5.5 or Muse Wonder cheaper?
Claude Opus 5.5 and Muse Wonder have comparable output pricing.
Which has the larger context window, Claude Opus 5.5 or Muse Wonder?
Muse Wonder has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.