OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46712 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8637 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 128338 participants
The Happiness App Challenge Online Shape the future of humanity by creating apps to increase happiness, productivity and well being! $50,000 in prizes Winners announced 717 participants
