Today for me the sonnet 4 was crazy, it's normal?

[qurore]

You can check the model behind your Claude Sonnet 4.
It could be the same root cause I have.

Model Discrepancy: Selected claude-4-sonnet appears to be Claude 3.5 Sonnet

Describe the Bug There is a discrepancy between the AI model selected in the agent settings and the model that is actually running. When claude-4-sonnet is chosen, the AI identifies itself as Claude 3.5 Sonnet when prompted. This raises concerns about whether the selected model is truly active. Steps to Reproduce In the agent settings, select claude-4-sonnet as the AI model. Enable “Extended Thinking.” Start a new chat with the AI. Ask the AI a question such as, “What’s your AI model?” or “Wha…