Claude users report Opus 5 being served when they select Opus 4.8

JasonBotterill · x · 2026-07-23

A user reports that selecting Opus 4.8 in Claude appears to serve Opus 5 instead.

If accurate, this suggests a backend routing or labeling mismatch rather than a normal model-selection change.

Related event: Claude's Backend Routing and Capabilities Questioned(2 posts)→

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