OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 participants
Midnight Hackathon New York, NY, USA This is your opportunity to build on a fully launched network designed to solve the internet's biggest privacy challenges. Non-monetary prizes Jul 17 – 19, 2026 304 participants
Midnight Hackathon Online This is your opportunity to build on a fully launched network designed to solve the internet's biggest privacy challenges. Non-monetary prizes Winners announced 328 participants
