Sanduni Galbokka Hewa (SanduRash)

OpenAI Open Model Hackathon

Online

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

$30,000 in prizes
Winners announced
8652 participants

{eHacks} 2025

St. Louis, MO, USA

Create innovative projects with a team, attend Tech Talks, and network with other attendees and sponsors!

Non-monetary prizes
Mar 8 – 9, 2025
63 participants