Make sure that all the requirements are green.

Activate chrome://flags/#prompt-api-for-gemini-nano-multimodal-input
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Pending

Activate all the flags
FlagValue to select
chrome://flags/#optimization-guide-on-device-modelEnabled Bypass*
chrome://flags/#prompt-api-for-gemini-nano-multimodal-inputEnabled
chrome://flags/#optimization-guide-debug-logsEnabled
Verify that Gemini Nano has been downloaded
  1. Navigate to chrome://components
  2. Search for Optimization Guide On Device Model on the page.
  3. Click on Check for update
  4. Ensure that it says Up-to-date

It seems like the page is stuck

After you have clicked on for the first time, Chrome has to download Gemini Nano. This can take a while (5-10 minutes). While this is happening, the page can seem frozen or like nothing is happening. Give it time then try to restart your browser.

Playground


Prompt

JSON Schema

Media

or

Click or drag and drop an image file here