OpenAI Build Week Featured Online Join a global week of building with Codex $100,000 in prizes Jul 21, 2026 08:00 PM EDT to submit 42812 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 128365 participants
ElevenLabs x 16z Worldwide Hackathon Greater London, United Kingdom ElevenLabs and a16z are holding a worldwide AI agents hackathon. We will bring together the world's best builders at 9 in-person + online events simultaneously. Feb 22-23 2025 $92,247 in prizes Feb 21 – 24, 2025 832 participants
