OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46700 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 8458 participants
Claude AI Hackathon - Machines of Loving Grace Cambridgeshire, United Kingdom Claude AI Hackathon run by Cambridge Claude Builder Club £300 in prizes Mar 5 – 7, 2026 40 participants
