See
https://developer.chrome.com/docs/ai/built-in
https://github.com/jeasonstudio/chrome-ai
I can’t seem to find public documentation for the API with a cursory search, so https://github.com/jeasonstudio/chrome-ai/blob/ec9e334253713... might be the best documentation (other than directly inspecting the window.ai object in console) at the moment.
It’s not really clear if the Gemini Nano here is Nano-1 (1.8B) or Nano-2 (3.25B) or selected based on device.
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