Stupid Ideas Hackathon (Ottawa F26) Ottawa, Canada build something stupid! $CAD 517 in prizes Nov 7, 2026 43 participants
OpenCV AI Competition 2026, powered by AWS Online Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS). Win money and bragging rights! $20,250 in prizes Oct 27, 2026 02:45 AM EDT to submit 989 participants
Open Atlas - AI for Social Good Hackathon 2026, presented by Manifest Milpitas, CA, USA Builders, in a room, solving real problems. Ship AI-powered solutions for immigration, healthcare, education, and financial inclusion. $4,500 in prizes Jun 20 – Aug 16, 2026 452 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46716 participants