Built-in AI extension

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Thomas Steiner

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Mar 31, 2026, 7:33:44 AMMar 31
to Chrome Built-in AI Early Preview Program Discussions
Hey EPP participants,

Try the Built-in AI extension to get access to browser APIs like…

🧠 `LanguageModel` (aka. Prompt API): Interact with large language models.
🗜️ `Summarizer`: Generate concise summaries of long texts.
✍️ `Writer`: Draft new content based on prompts.
📝 `Rewriter`: Refine or rephrase existing text.
💡 `LanguageDetector`: Identify the language of a given text.
🗯️ `Translator`: Translate text between languages.

If your browser supports an API natively, it will use it. Otherwise, the extension injects a polyfill into the page that either uses…

🤗 a local model using Transformers.js
☁️ or a cloud model using any of Gemini, Firebase AI Logic, or OpenAI

…as the AI backend.

🛍️ Install the extension from the Chrome Web Store: https://chromewebstore.google.com/detail/built-in-ai/aekdeffgkjegkdbdnkllpaeakcapfjdb

Cheers,
Tom

--
Thomas Steiner, PhD—Developer Relations Engineer (blog.tomayac.comtoot.cafe/@tomayac)

Google Spain, S.L.U.
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