Jonathan Sandler (jsandler-aol)

San Jose, California, United States

REGISTER ON: lu.ma/startupsprint

Menlo Park, CA, USA

STARTUP | BUILDER | SPRINT

Non-monetary prizes
Oct 17 – 19, 2025
83 participants

OpenAI Open Model Hackathon

Online

Build with gpt-oss, OpenAI’s open weight reasoning models.

$30,000 in prizes
Winners announced
8652 participants

World’s Largest Hackathon presented by Bolt

Online

Build with AI for a shot at some of the $1M+ in prizes.

$1,037,500 in prizes
Winners announced
128412 participants

Proving Ground: Agentic Startup RAG-a-thon

Palo Alto, CA, USA

Where the Startup-Curious and Startup-Serious Build What’s Next

$5,000 in prizes
May 16 – 18, 2025
219 participants