Opus 5.5 Benchmarks Questioned as Vendor Grades Its Own Homework

A long-form critique argues Opus 5.5 benchmarks lack verifiability because vendors can quietly adjust hosted model quality. However, price cuts on older Claude models undercut the claim that Anthropic intentionally degraded them to push upgrades.

2026-10-02 ~ 2026-10-02 · 3 related posts

• Both Columns, One Vendor: What Opus 5.5 Benchmarks Can and Cannot Show — maier_ak · 2026-10-02
• Opus 5.5 Price Cuts Undercut 'Cripple the Old' Theory, but 40% Serving-Cost Claim Raises Flags — maier_ak · 2026-10-02
• Opus 5.5 Benchmarks Can't Be Verified Outside Anthropic — Author Proposes Cheap Independent Audit — maier_ak · 2026-10-02