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
UC Berkeley AI Hackathon 2025 Berkeley, CA, USA Come join us at the world's largest AI Hackathon hosted by Cal Hacks! $41,564 in prizes Jun 21 – 22, 2025 1036 participants
DA Hacks 3.5 Cupertino, CA, USA De Anza hackathon is back! Join us for our 5th year with 200+ hackers! Non-monetary prizes May 12 – 30, 2025 110 participants
De Anza Hacks 2.5 Online Join the engineering edition of the largest annual hackathon in Cupertino! $8,300 in prizes Winners announced 54 participants
