Both Columns, One Vendor: What Opus 5.5 Benchmarks Can and Cannot Show

maier_ak · x · 2026-10-02

The author links his essay 'Both Columns, One Vendor: What the Opus 5.5 Benchmarks Can and Cannot Show', arguing that hosted model quality can be set administratively by the seller via controls invisible to buyers, and questioning the verifiability of Anthropic's Opus 5.5 launch-page benchmark claims.

Related event: Opus 5.5 Benchmarks Questioned as Vendor Grades Its Own Homework(3 posts)→

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