OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8634 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 129558 participants
Code4Hope Hackathon 2025: Round 1 New York, NY, USA Tackle real-world issues in sustainability, health, education, and finance. Collaborate with innovators, compete for prizes, and make an impact at Code4Hope 2025! Non-monetary prizes Jun 27 – 30, 2025 195 participants
SharkHack 2025 Boston, MA, USA Build tech for a better tomorrow! Join students to design, develop, and innovate solutions that advance health, education, equality, and sustainability. Non-monetary prizes Apr 5 – 6, 2025 53 participants