OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46673 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14088 participants
Proof of Concept Online If you could prove any data on the internet - what would you build? $25,000 in prizes Winners announced 1894 participants
CQhack25: A Quantum Computing Hackathon & Ideathon for Students Online A Quantum Computing Hackathon + Ideathon for Students to Learn, Collaborate, and Explore $1,900 in prizes Winners announced 302 participants
Qloo LLM Hackathon Online Join Qloo’s first global hackathon, a month-long event inviting developers, builders, and creatives to explore what’s possible at the intersection of LLMs and Qloo’s API. $25,000 in prizes Winners announced 2853 participants
CS Girlies Hackathon - A.I vs H.I Online Come build something weird! Build something unmistakably human!! $1,000 in prizes Winners announced 782 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129571 participants
Agent Development Kit Hackathon with Google Cloud Online Build multi-agent AI systems with Agent Development Kit and Google Cloud $50,000 in prizes Winners announced 10349 participants
