Real-world test: Muse Wonder 1.0 fixes 31.7/105 bugs, 50% pricier than Spark 1.3

PawelHuryn · x · 2026-10-13

Pawel Huryn tested Muse Wonder 1.0 on two real repos with 105 planted bugs. Scores: GPT-6 Astra (max) 45.0, Opus 5.5 (max) 41.7, Muse Spark 1.3 (max) 32.2, Muse Wonder 1.0 (max) 31.7, Grok 4.7 (xhigh) 29.0. He distrusts maxed benchmarks: in his multi-run tests Wonder is similar to Spark 1.3 but slower and 50% more expensive. The attached Bug Hunt Bench leaderboard shows Sonnet 5.5 max leading at 51.3/105 (2871 min, $154), while DeepSeek V4.1 Flash fixed 21.7 for just $0.78. A subscription-only Muse Spark Full 1.0 test is next.

Related event: Pawel Huryn Benchmarks Muse Wonder 1.0: GPT-6 Astra Leads at 45 Points(5 posts)→

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