David Guan (ColdHarbour96)

Pleasant Hill, CA, US
Website
GitHub

UC Berkeley AI Hackathon 2026

Berkeley, CA, USA

Come join us at the world's largest AI Hackathon hosted by the team behind Cal Hacks!

$67,200 in prizes
Jun 20 – 21, 2026
1098 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
2163 participants