Muse Wonder vs Claude Opus 5.5: Did Meta Really Wonder Us?
Meta has officially announced its Muse Wonder flagship models, claiming to beat Claude Opus 5.5. Here is how the Meta Muse Wonder compares with Claude Opus 5.5 in detailed benchmark comparison.
Benchmarks
| Benchmark | Muse Wonder | Claude Opus 5.5 | Difference |
|---|---|---|---|
| Personal Superintelligence Index | 54.3 | 55.2 | Opus +0.9 |
| Harvey LAB-AA | 10.0% | 4.2% | Wonder +5.8 points |
| Vals Finance Agent V2 | 56.6% | 58.6% | Opus +2.0 points |
| HealthBench Pro | 60.5% | 65.6% | Opus +5.1 points |
| AutomationBench-AA | 39.1% | 41.2% | Opus +2.1 points |
| GDP.pdf | 30.8% | 30.6% | Wonder +0.2 points |
| JobBench | 70.5% | 75.4% | Opus +4.9 points |
| OSWorld V2.1 (partial credit) | 72.6% | 81.8% | Opus +9.2 points |
| MemoryBench | 85.6% | 81.5% | Wonder +4.1 points |
| Terminal-Bench 4.0-AA | 52.0% | 59.6% | Opus +7.6 points |
| DeepSWE v1.1 | 78.8% | 74.2% | Wonder +4.6 points |
| SWE-Marathon | 53.1% | 46.3% | Wonder +6.8 points |
| ProgramBench | 50.0% | 70.5% | Opus +20.5 points |
| Artificial Analysis Index | 52 | 58 | Opus +6 |
Artificial Analysis benchmarks
| Benchmark | Muse Wonder (Max) | Claude Opus 5.5 (Max) | Difference |
|---|---|---|---|
| Intelligence Index v4.3.2 | 52 | 58 | Opus +6 |
| AA-Briefcase v1.1 | 1659 Elo | 1807 Elo | Opus +148 Elo |
| GDPval-AA v2.1 | 1770 Elo | 1866 Elo | Opus +96 Elo |
| AutomationBench-AA | 68% | 70% | Opus +2 points |
| Terminal-Bench 4.0 | 52% | 60% | Opus +8 points |
| SciCode | 60% | 67% | Opus +7 points |
| Humanity's Last Exam | 50% | 61% | Opus +11 points |
| GDP.pdf | 31% | 26% | Wonder +5 points |
| CritPt | 28% | 32% | Opus +4 points |
| AA-Omniscience | 25 | 46 | Opus +21 |
| AA-LCR v1.1 | 81% | 85% | Opus +4 points |
Cost and efficiency
| Metric | Muse Wonder (Max) | Claude Opus 5.5 (Max) | Difference |
|---|---|---|---|
| Intelligence Index | 52 | 58 | Opus +6 |
| Cost per Intelligence Index task | $4.52 | $5.98 | Wonder about 24% cheaper |
| Cost to run the Intelligence Index | $5,733 | $8,708 | Wonder about 34% cheaper |
| Output tokens per task | 54K | 119K | Wonder uses about 55% fewer |
| Reasoning tokens per task | 29K | 84K | Wonder uses about 66% fewer |
| Output speed | 85 tokens/s | 96 tokens/s | Opus about 12% faster |
Pricing and specs
| Specification | Muse Wonder | Claude Opus 5.5 | Difference |
|---|---|---|---|
| Input, per 1M tokens | $4 | $4 | Same |
| Cached input, per 1M tokens | $0.20 | $0.20 | Same |
| Output, per 1M tokens | $20 | $20 | Same |
| Context window | 1,048,576 tokens | 1M tokens | Nearly the same |
| Text input | Yes | Yes | Same |
| Image input | Yes | Yes | Same |
| Audio input | Yes | No | Wonder |
| Video input | Yes | No | Wonder |
| Reasoning | Yes | Yes | Same |
| API | Meta Model API (preview) | Claude API | Both |
| App | Coming soon to Muse | Available in Claude | Opus is wider |