I just noticed two updates in two of the 12 chatbots I’m using.

Copilot now has 5 choices in a browser (Quick response, Think Deeper, Study and Learn, Smart (GPT-5), Search) and 4 searches in the Android app (Quick response, Think Deeper, Smart (GPT-5), Study and Learn):

Grok now offers Grok 4 Fast (Beta). Both the web interface and the Android app include 4 choices for the model (Auto, Fast, Expert, Grok 4 Fast):

Nothing to write home about, but these are evolutions nonetheless.