OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46672 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14087 participants
Code with Kiro Hackathon Online A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development. $100,000 in prizes Winners announced 9952 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 129563 participants
Agent Development Kit Hackathon with Google Cloud Online Build multi-agent AI systems with Agent Development Kit and Google Cloud $50,000 in prizes Winners announced 10349 participants
