Ellen Xu (ellen2imagine)

San Diego, California, United States
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GitHub
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xAI Hackathon 2025

Palo Alto, CA, USA

Join us for a 24-hour hackathon to build the next generation of AI applications

Non-monetary prizes
Dec 7, 2025
352 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
2164 participants

TreeHacks 2024

Stanford, CA, USA

The largest collegiate hackathon in the U.S.

$213,100 in prizes
Feb 16 – 18, 2024
1124 participants

Cal Hacks 10.0

San Francisco, CA, USA

This year's Cal Hacks is co-hosted by MindsDB. Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas.

$144,650 in prizes
Oct 27 – 29, 2023
770 participants

comma_hack_4

San Diego, California, USA

Come hack on commabodies (the future of people)!

$3,699 in prizes
Sep 29 – Oct 1, 2023
21 participants

UC Berkeley AI Hackathon

Berkeley, CA, USA

Come join us at the world's largest AI Hackathon hosted by Berkeley SkyDeck and Cal Hacks!

$237,700 in prizes
Jun 17 – 18, 2023
802 participants

Hack the Helyx Hackathon

Online

Create biotech-inspired software to impact the area of the secret theme

$800 in prizes
Winners announced
154 participants