OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners TBD 46753 participants
Scoop AI Hackathon Silicon Valley Bowl Santa Clara, CA, USA The Global Scoop AI Hackathon unites developers, researchers, and entrepreneurs worldwide to build the next generation of agentic AI applications. $50,000 in prizes Nov 22 – 23, 2025 89 participants
MountainHacks 2025 Mountain House, CA, USA Hack the Heights - A 12-hour hackathon for high-school students of all experience levels, taking place on November 8th at MHHS! $12,460 in prizes Nov 8, 2025 187 participants
CogniHacks (In Person Only Event) - Full Pleasanton, CA, USA Bringing Brain Computer Interface (BCI) Applications from clinical settings to commercial applications with AI. Must sign up at cognihacks.com/join to be a confirmed participant! $2,092 in prizes Aug 30, 2025 159 participants
United Hacks V5 Online Showcase both your technical and presenting abilities and collaborate with like minded individuals to make and pitch a project during United Hacks V5. $51,000 in prizes Winners announced 1201 participants
Random Forest Hackathon Pleasanton, CA, USA Data and ML Hackathon For Students $700 in prizes Dec 21, 2024 – Jan 5, 2025 178 participants
Codegeist 2024 Online Transform team collaboration with Atlassian’s System of Work - build powerful apps for Jira, Confluence, Bitbucket and more - $170,000 in prizes. $170,000 in prizes Winners announced 3704 participants
