OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 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 8452 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Winners announced 3062 participants
Optimization Grand Challenge 2026 Magokjungang 8-ro, South Korea A global optimization competition by LG CNS — solve the Grand Shipyard Puzzle and compete for KRW 200M in prizes! $103,000 in prizes May 25 – Jun 8, 2026 205 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners announced 11827 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 9942 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 129575 participants
