Web AI Demos for Google I/O 2025

Client-side AI uses models hosted on device, which means inference occurs on-device. Built-in AI is one type of client-side AI, which uses models built into the browser.

Google is developing web platform APIs and browser features that work with AI models, including large language models (LLMs), built in the browser. With built-in AI, your website or web application can perform AI-powered tasks without needing to deploy or manage its own AI models.

Multimodal built-in demos Textual built-in demos

Partner demos

pixiv

Interact with VRoid avatar with your voice

Discover a new way to connect with 3D avatars. In this demo, you'll engage in a natural conversation with a VRoid model, experiencing the power of fully client-side technology. Thanks to built-in AI APIs and Kokoro TTS (leveraging WebGPU), your conversations are processed entirely on your device, ensuring complete privacy and security. Get ready for a fun, interactive, and personal avatar experience!

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Nykaa Fashion

Visual Search Experience

Nykaa's Visual Product Discovery allows users to instantly find fashion items by simply uploading or snapping a photo with no keywords or text searches required.

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Brightsites

Experience real-world examples of the Summarizer API with The Standard !

By integrating the Summarizer API into its AI-powered CMS, Bright Sites enables The Standard to offer personalized summaries of articles to its readers. Doing so client-side, using data points like summary style or location, would allow users to continue reading even when they lose internet access. AI summarization enabled The Standard to generate personalized summaries without incurring additional business cost.

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CyberAgent

CyberAgent's AI Blog Assistant: Local Power, Smarter Content

Boost your blogging efficiency with CyberAgent's new Chrome extension! This AI-powered tool simplifies content creation by generating titles and subtitles, refining selected text, and even writing subsequent paragraphs. Crucially, it leverages built-in AI APIs, ensuring your data and prompts remain entirely private and secure, never leaving your device. Experience a smarter, more secure way to blog, developed right here in Shibuya, Tokyo.

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Multimodal built-in AI demos

Prompt API with audio input

A media recorder app demonstrating the capabilities of the Prompt API.

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Prompt API with image input

A canvas app demonstrating the capabilities of the Prompt API.

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Miroir, mon beau miroir…

A magic mirror demo showing the capabilities of the Prompt API.

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Textual built-in AI demos

Prompt API Playground

A playground demonstrating the capabilities of the Prompt API.

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Summarizer API Playground

A playground demonstrating the capabilities of the Summarizer API.

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Screenshot of the Writer/Rewriter API Playground

Writer/Rewriter Playground

A playground demonstrating the capabilities of the Writer and Rewriter APIs.

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Screenshot of the Translator/Language Detection API Playground

Translator/Language Detection Playground

A playground demonstrating the capabilities of the Translator API and Language Detection API.

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Summary of Summaries Demo

Overcome the context window limitation of the Summarizer API by recursively breaking the input text into chunks, summarizing each chunk, and then summarizing the summaries.

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Prompt API Weather Demo

Generate human readable descriptions from structured data using the Prompt API, then read the weather description aloud with the Web Speech API.

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Built-in AI Session Management

Demonstrates best practices for managing AI sessions with the Prompt API.

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Synonym Finder

Find word synonyms with the help of the Prompt API.

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