Senior Engineer Benchmark: Muse Wonder scores 52%, well behind Claude and GPT coding models

danshipper · x · 2026-10-13

Dan Shipper tested Muse Wonder on Checks' Senior Engineer Benchmark, which asks models to rewrite a vibe-coded slop codebase from scratch as a proxy for real-world engineering usefulness. Muse Wonder scored 52%, far behind gpt-6.1-sol at 71%. Full scoreboard: claude-opus-5-5 and claude-sonnet-5-5 (Claude Code, high effort) both 85%, gpt-6-astra 81%, gpt-6.1-sol 71%, muse-wonder-1.0 52%, gpt-6-sol 35%. It's a single-task, one-person benchmark scored by checks the author actually uses, not a general quality claim.

Related event: Muse Wonder Lags Far Behind Sol 6.1 on Senior Engineer Benchmark(3 posts)→

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