Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4982 participants
GKE Turns 10 Hackathon Online Build next gen microservices with AI Agents $50,000 in prizes Winners announced 4721 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 9971 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8655 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 128425 participants
Forge Quest: Bonus Level Online Sharpen dev skills, build impactful apps, and earn rewards! Non-monetary prizes Winners announced 2368 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 10368 participants
Perplexity Hackathon Online Create an internet-enabled project to inspire curiosity, seek knowledge, or reason through complex tasks. $35,000 in prizes Winners announced 4366 participants
Hack Reddit 2025 Online Create a new game or experience for the Reddit community! $36,000 in prizes Winners announced 1744 participants
MEGA Hackathon 2025 Online A collaborative hackathon integrating computer science, STEM, economics, and infrastructure — aimed at advancing human development. $1,019,140 in prizes Winners announced 1410 participants
Windows on Snapdragon AI Hackathon Online Unleash the potential of on‑device AI $20,000 in prizes Winners announced 592 participants
DVHacks Online Join us from January 31st to February 2nd with students from around the world for 42 hours of creation, innovation, and fun. $10,913 in prizes Winners announced 90 participants
United Hacks V4 Online Demonstrate your talents and work alongside like-minded peers to create and pitch a project for United Hacks V4. $138,000 in prizes Winners announced 352 participants
Nosu AI Hackathon $11,300+ in prizes Online Make something COOL with AI !!! $11,505 in prizes Winners announced 1460 participants
Accelerate App Development with GitHub Copilot Online Empowering the Next Generation of Developers with GitHub and Azure $10,000 in prizes Winners announced 2264 participants
Global Hack Week: Data Online Global Hack Week is a monthly event where you can learn new skills, build your portfolio, attend fun sessions and connect with other hackers in the MLH community. Non-monetary prizes Winners announced 158 participants
