muse wonder crushing on bugfixing, ranking as the 4th best model on bug hunt bench
Muse Wonder Full 1.0 ranks fourth on Bug Hunt Bench, behind GPT-6 Astra
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Muse Wonder Full 1.0 scores 44 on Bug Hunt Bench at max effort, placing fourth among the models tested. GPT-6 Astra at max effort scores 45, Fable 5.1 scores 43, and Opus 5.5 scores 41.7. The benchmark tests models on 105 bugs that frontier models missed in Q1 2026 across two repositories.
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Alexandr WangVerified on X
@alexandr_wang
So, I tested Muse Wonder Full 1.0 on real work. 2 repos. 105 bugs frontier models missed in Q1 2026. Find and fix what you can. I'm so surprised we need a new thread. The results: GPT-6 Astra (max): 45 Muse Wonder Full 1.0 (max): 44 Fable 5.1 (max): 43 Opus 5.5 (max): 41.7 Muse Spark 1.3 (max): 32.2 Grok 4.7 (xhigh): 29 @AIatMeta has just matched Anthropic and OpenAI. Huge congrats! Next in this thread, more effort levels and more runs for Muse Wonder Full 1.0. All dropping tonight 🧵
Source: Alexandr Wang · x.comPublished