Choose Muse Wonder if
- ✓ Your output is long — the ceiling is 943,718 tokens against 128,000
- ✓ You need to feed it video or audio as well as text and images
- ✓ You want the cheaper cached read per output token at this price
Head to head · OpenRouter
Muse Wonder vs Claude Opus 5.5
The same price, a different number. Muse Wonder lists $4 in / $20 out per million and so does Claude Opus 5.5, with cached reads at $0.20 for both; Artificial Analysis puts Opus 5.5 at 58 on its Intelligence Index and Muse Wonder at 52, at $5.98 and $4.52 per evaluation task. Meta's own launch table prints a different comparison and a different winner.
Quick verdict
For the first time a Meta model is not the cheap option, so the decision stops being about price and becomes about what you actually need: Muse Wonder carries a 943,718-token output ceiling and reads video and audio, which Opus 5.5 does not, while Opus 5.5 leads the independent index. If your workload is long outputs or media in, the ceiling and the modalities may matter more than six index points.
Side-by-side comparison
| Field | Muse Wonder | Claude Opus 5.5 |
|---|---|---|
| Provider | Meta | Anthropic |
| Context window | 1.05M tokens | 1M tokens |
| Input / 1M | $4.00 | $4.00 |
| Output / 1M | $20.00 | $20.00 |
| Modalities | Text, Vision, Audio, Video, Files | Text, Vision, Files |
| Best for | Agents, Long Context, Multimodal | Overall, Coding, Agents |
Source
openrouter.ai/api/v1/models Verified 2026-10-16 Cost estimates
| Workload | Input | Output | Muse Wonder | Claude Opus 5.5 |
|---|---|---|---|---|
| Quick test | 20,000 | 5,000 | $0.180 | $0.180 |
| Product chat month | 500,000 | 125,000 | $4.50 | $4.50 |
| Document batch | 5,000,000 | 1,000,000 | $40.00 | $40.00 |
Estimates use list input/output prices and exclude cache discounts, provider surcharges and tool fees.
Choose Claude Opus 5.5 if
- ✓ You want the highest independent score at this price rather than the widest input set
- ✓ Your workload is multi-step code review and long-horizon agent work
- ✓ You are already on the Claude line and would rather not add a vendor
FAQ
Is Muse Wonder cheaper than Claude Opus 5.5?
Muse Wonder costs $4.00 input and $20.00 output per 1M tokens. Claude Opus 5.5 costs $4.00 input and $20.00 output per 1M tokens.
Which model has the larger context window?
Muse Wonder offers 1.05M tokens; Claude Opus 5.5 offers 1M tokens. Provider-specific limits can vary by route.
Which one should I choose?
For the first time a Meta model is not the cheap option, so the decision stops being about price and becomes about what you actually need: Muse Wonder carries a 943,718-token output ceiling and reads video and audio, which Opus 5.5 does not, while Opus 5.5 leads the independent index. If your workload is long outputs or media in, the ceiling and the modalities may matter more than six index points.
Muse Wonder details Claude Opus 5.5 details Estimate monthly cost
Pricing and context data are based on a 2026-10-16 snapshot. Provider limits and pricing can change; verify on OpenRouter before production.