Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13442 participants
NexHacks Pittsburgh, PA, USA TURING CITY is an immersive 24-hour hackathon where hackers construct the building blocks of a sentient digital metropolis. $68,500 in prizes Jan 17 – 18, 2026 874 participants
AI 4 Alzheimer's Online Build AI models for early Alzheimer’s detection. Make an impact in healthcare. Save a life. $500 in prizes Winners announced 1451 participants
CMU Claude Builder Club Hackathon Pittsburgh, PA, USA CMU Claude Builder Club x CMUAI Hackathon: Build for CMU in an Hour Non-monetary prizes Nov 15, 2025 55 participants
Cal Hacks 12.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Claude, Fetch AI, AppLovin, and Amazon's Annapurna Labs! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $58,100 in prizes Oct 24 – 26, 2025 2164 participants
HackHarvard 2025: Compile the Decade Cambridge, MA, USA Compile the Decade for our 10th anniversary Non-monetary prizes Oct 3 – 5, 2025 528 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 128412 participants
LaunchHacks 2023 Summer Hackathon Online Your opportunity to LAUNCH your ideas $58,012 in prizes Winners announced 675 participants
HackChess Online Create a chess engine and measure its abilities against other engines in a tournament! We are open to people of any skill level, but some programming experience is advised. $270 in prizes Winners announced 167 participants
HackBytes II Online Create a website or web app on your favorite topic, hobby, or cause! $46,279 in prizes Winners announced 446 participants
KTHack 2023 Online Join us virtually the weekend of June 17-18th for KTBYTE's first hackathon! Open to Middle Schoolers + High Schoolers! Students only need to sign up via google form on website $3,480 in prizes Winners announced 36 participants
MVHacks 6.0 Online The hackathon for everyone. Especially beginners. $1,000 in prizes Winners announced 49 participants