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Anthropic tests its next model under Claude Opus 5.5

testingcatalog.comAnthropic tests its next model under Claude Opus 5.5Users report Claude Opus 5.5 is sometimes routing to a newer Anthropic checkpoint, with stronger coding and 3D outputs. Tests suggest fresher training data or a possible Opus 5.6 trial, following recent price cuts.

12/10/26, 1:11 pm0 reposts3 likes

nrouter.ai

@nrouterai.bsky.social

Users finding out their model changed from output quality is backwards. An API name should pin a version — and when it doesn't, a gateway that logs the exact model behind every response is how you prove what changed. #nRouter