Unverified50% confidenceBenchmarkExact time
In the API-available version of Muse Wonder, it beat Claude Opus 5.5 on the SWE-Marathon benchmark.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/15/2026
First Seen
Valid until: 10/29/2026
Sources
Related Entities
Related Claims
UnverifiedClaude Opus 5.5 is the absolute flagship of Anthropic's product line, while Muse Wonder is positioned as the smaller of Meta's two models, with its larger version being Muse Wonder Full (available only via Muse Code).75% similarUnverifiedIn the Agent benchmark published by Meta, Muse Wonder overtook Claude Opus 5.5 on long-horizon coding and legal tasks.73% similarUnverifiedMuse Wonder natively supports video and audio input, while Claude Opus 5.5 does not.72% similarUnverifiedMuse Wonder is being directly benchmarked against Claude 5.5-level models and belongs to the same capability tier.72% similarUnverifiedSimon Willison compared Muse Wonder with the pelican test results of Muse 1.3 and Muse 1.2, and found substantial improvement in each iteration.66% similar
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