Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 10799 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46658 participants
USAII® Global AI Hackathon 2026 Online (* REGISTRATION EXPIRED JUNE 6 11:59 PM ET *) A global virtual AI hackathon empowering students to build solutions for real-world good—from everyday impact to career readiness. $15,000 in prizes Winners announced 6063 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 129552 participants
