Global Innovation Build Challenge V2 Online A global hackathon for foundational LLMs, applied AI, and open invention Non-monetary prizes Winners announced 1720 participants
The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners announced 7042 participants
Reverie Hacks 2026 Online A hackathon built by students, for students—empowering creative minds to bring their dream projects to life across six unique tracks. $1,250 in prizes Winners announced 2106 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46660 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