PayPal AI Hackathon Featured Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 29993 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35467 participants
HackIllinois 2026 Urbana, IL, USA HackIllinois is the University of Illinois Urbana-Champaign's premier collegiate hackathon. Launch your legacy at HackAstra! $17,920 in prizes Feb 27 – Mar 1, 2026 677 participants
Techs Sparking Challenge Online Make solutions from any tech stack Non-monetary prizes Winners announced 179 participants
Deckathon Online Pitch The Perfect Ideas and Learn to Present Non-monetary prizes Winners announced 344 participants
Proof of Concept Online If you could prove any data on the internet - what would you build? $25,000 in prizes Winners announced 1894 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 9949 participants
Hack the System Online Code solutions to transform our economy and strengthen democracy $100 in prizes Winners announced 443 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8633 participants