> A user querying a model today cannot check that the responses came from the specific model that a developer claims is responding

Indeed, I wonder what kind of developer would make users worry about that...? Funny PR stunt coming from a company that was in the news for silently routing ML-related requests to an inferior model.

https://fortune.com/2026/06/10/anthropic-accu-claude-fable-5...

> Unlike Fable’s other restrictions, such as around cybersecurity and biology, which openly redirect users to a less powerful model with a visible notification, the system card emphasized that this is “not visible to the user.” The model still responds, but uses “interventions to limit Claude’s effectiveness” without telling the user it’s doing so.