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Musical error detection test: Opus 5.5 matches GPT-6 Astra

Claude Opus 5.5 scored a perfect 100% on a homemade musical error detection test, matching earlier scores by GPT-6 Astra and Grok 4.7.

Auggie
@aug5thmusicArchived 2026.09.23Originally posted 2026.09.23
Musical error detection test: Opus 5.5 matches GPT-6 Astra
Auggie @aug5thmusicOriginally posted 2026.09.23
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Claude Opus 5.5 joins the 100% club. It achieved a perfect score on my musical error detection test, matching previous scores by GPT-6 Astra and Grok 4.7.

This post quotes another post: x.com/aug5thmusic/status/2096722845292507386

x.com/aug5thmusic/status/2102451262260412453Archived 2026.09.23 10:28