Unverified50% confidenceBenchmarkExact time
In the SWE-Marathon benchmark, Muse Wonder scored 53.1 and Claude Opus 5.5 scored 46.3, a gap of 6.8 points.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/15/2026
First Seen
Valid until: 10/29/2026
Sources
Related Entities
Related Claims
Partially VerifiedMeta's chart shows Muse Wonder beating Claude Opus 5.5 on long-horizon coding tasks: DeepSWE score 78.8 versus 74.2, SWE-Marathon score 53.1 versus 46.3.78% similarUnverifiedOn SWE-Marathon, Muse Wonder scored 53.1 and Claude Opus 5.5 scored 46.3, sourced from Abundant AI; however, a footnote states that the comparison used different agent harnesses and is not a controlled common comparison.77% similarUnverifiedOn ProgramBench, Muse Wonder scored 50.0 and Claude Opus 5.5 scored 70.5, with Opus ahead by 20.5 points, the largest gap among the 14 benchmarks.76% similarPartially VerifiedIn the Intelligence Index given by the independent evaluation organization Artificial Analysis, Muse Wonder scores only 52, while Claude Opus 5.5 reaches 58.74% similarUnverifiedOn the AA-Omniscience knowledge metric, Muse Wonder scored 25 and Claude Opus 5.5 scored 46.74% similar
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