Google Chrome Built-in AI Challenge 2025

Overview

The Google Chrome Built-in AI Challenge 2025 invites developers to create new web applications or Chrome Extensions using powerful built-in AI APIs like Gemini Nano. This hackathon focuses on client-side AI, offering privacy, offline access, and cost-efficiency benefits. It's an opportunity to innovate with AI and shape the future of the web.

Requirements

Participants must be above the legal age of majority in their country of residence, with some specific countries excluded. The challenge requires developing a new web application or Chrome Extension that utilizes one or more of the provided Chrome AI APIs, such as Prompt API, Proofreader API, Summarizer API, and others. Submissions must include a working application accessible via a public URL, a link to a public open-source GitHub repository, a video demonstration (under 3 minutes) showing the application in action, and a text description detailing the features, APIs used, and the problem being solved. All written and video content must be in English.

Prizes

A total of $70,000 in cash prizes are available. The hackathon features several top prizes including $14,000 for the 'Most Helpful - Chrome Extension' and 'Most Helpful - Web Application' winners. Other categories like 'Best Multimodal AI Application' and 'Best Hybrid AI Application' for both web and extensions offer $9,000 each. There are also five Honorable Mentions, each receiving $1,000, and five 'Most Valuable Feedback' prizes of $200.