Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35458 participants
Hack Apertus St. Gallen, Switzerland Welcome to the first stage of «Hack Apertus», an open-source hackathon series to evaluate, align, and build on Apertus, Switzerland’s sovereign LLM. €10,680 in prizes Oct 1 – 16, 2026 914 participants
CALL-E: Your Code Is Calling Online Turn your code into an AI agent that makes real phone calls. $10,000 in prizes Winners announced 3198 participants
3D Websites Hackathon Online Build the most creative and visually stunning 3D website imaginable. No limits. Just creativity. $55 in prizes Winners announced 1580 participants
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners announced 26389 participants
Arm Create: AI Optimization Challenge Online One challenge. Three frontiers of AI. All powered by Arm. $8,000 in prizes Winners announced 2466 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