Muse Wonder Full matches Opus 5.5 and Sol 6.1 on VulcanBench but lags on speed

alexandr_wang · x · 2026-10-18

alexandrwang quoted Morgan Linton's completed Muse Wonder Full run on VulcanBench: the model is competitive with Astra, Opus 5.5, and Sol 6.1 overall, but notably slower per task — slower than Opus 5.5, much slower than GPT-6.1 Sol, and far slower than GPT-6 Astra. Speed improvement is in the works.

Key takeaways from Linton's testing: Medium effort is the sweet spot for Muse Wonder Full, and model choice should weigh tokens-per-task and cost-per-task alongside accuracy.

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