[Anthropic tests its next model under Claude Opus 5.5](https://www.testingcatalog.com/anthropic-tests-new-model-opus-5-5-routing-opus-5-6-fable-5-5/)

Users 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.

 [#anthropic](?q=%23anthropic) [@testingcatalog](https://t.me/testingcatalog)