RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners TBD 28629 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 26419 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46686 participants
Global AI Hackathon Series with Qwen Cloud Online Build your own AI Agent on Qwen Cloud - compete for $70K in prizes across five tracks. $45,000 in prizes Winners announced 8454 participants
George Hacks x United Nations "Reboot the Earth" Hackathon Washington, DC, USA Join George Hacks for a weekend of hands-on sustainability innovation, networking, and problem-solving with no coding experience needed! Free food, swag, and prizes. Sign up today! $4,400 in prizes Apr 18 – 19, 2026 121 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8631 participants
