Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Aug 17, 2026 04:00 PM EDT to submit 19137 participants
Global AI Hackathon Series with Qwen Cloud Featured Online Build your own AI Agent on Qwen Cloud - compete for $70K in prizes across five tracks. $45,000 in prizes Jul 20, 2026 05:00 PM EDT to submit 7720 participants
Reddit’s Games with a Hook Hackathon Featured Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Jul 15, 2026 09:00 PM EDT to submit 2794 participants
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Jul 13, 2026 08:00 PM EDT to submit 4298 participants
UiPath AgentHack Online Build the AI agents of tomorrow. $50,000 in prizes Winners TBD 4021 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners TBD 9756 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 128370 participants
HackMentalHealth at Yale New Haven, CT, USA Building to advance mental health $1,900 in prizes Feb 22 – 24, 2019 58 participants