Chrome built-in AI demo

Built-in AI Command Deck

A single-page cockpit for Chrome's built-in AI surface: translation, language detection, summarization, writing, rewriting, prompting, and proofreading with model status, streaming, abort, and fallbacks.

Translator API Language Detector API Summarizer API Writer API Rewriter API Prompt API Proofreader API Official Chrome docs
Checking API

Calling native API availability.

Model download idle
Context window context idle
free text
Result 
Choose a mode, edit the source, and run a prompt.

Runtime Gate

  • Chrome desktop, ChromeOS Chromebook Plus, or supported origin trial.
  • macOS 13+, Windows 10/11, Linux, or supported ChromeOS.
  • At least 22 GB free profile volume space for first model download.
  • GPU over 4 GB VRAM, or CPU with 16 GB RAM and 4+ cores.
  • On localhost, enable the model flags first, then the API-specific flags for trial APIs.

Flags To Enable

chrome://flags/#optimization-guide-on-device-model chrome://flags/#prompt-api-for-gemini-nano chrome://flags/#prompt-api-for-gemini-nano-multimodal-input chrome://flags/#writer-api-for-gemini-nano chrome://flags/#rewriter-api-for-gemini-nano chrome://flags/#proofreader-api-for-gemini-nano

If Chrome does not show a direct URL, search flags by API name and relaunch after changes.

Active Call