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 28299 participants
Cal Hacks 13.0 San Francisco, CA, USA This year's Cal Hacks is presented by Anthropic, Annapurna Labs, Spacetime, and Hyphenate! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $204,408 in prizes Oct 23 – 25, 2026 1917 participants
UCSC AI Hackathon Santa Clara, CA, USA 24 hours to build agentic, local, and physical AI. An official SF Tech Week event. $39,085 in prizes Oct 11, 2026 227 participants
Cerebral Beach Hacks – LA Tech Week 2024 Kickoff Hackathon Santa Monica, CA, USA The LA Tech Week 2024 Kickoff Hackathon. Steps from a16z and Santa Monica Beach. $170,580 in prizes Oct 12 – 13, 2024 303 participants
SummerHacks Online Summerhacks by Freetail Hackers! $1,200 in prizes Winners announced 186 participants
CruzHacks 2020 Santa Cruz, CA, USA CruzHacks brings together a diverse and inclusive group of students and professionals to develop innovative solutions to solve real world challenges. $23,015 in prizes Jan 17 – 19, 2020 222 participants
