DongHoon Han (dhk1349)

South Korea

Google Cloud Rapid Agent Hackathon

Online

Building Agents for Real-World Challenges

$60,000 in prizes
Jun 11, 2026 05:00 PM EDT to submit
12324 participants

OpenAI Open Model Hackathon

Online

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

$30,000 in prizes
Winners announced
8651 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
128402 participants

AI in Action

Online

Innovate Together: A Multi-Partner Google Cloud Hackathon

$50,000 in prizes
Winners announced
6695 participants

Perplexity Hackathon

Online

Create an internet-enabled project to inspire curiosity, seek knowledge, or reason through complex tasks.

$35,000 in prizes
Winners announced
4364 participants

ElevenLabs x 16z Worldwide Hackathon

Greater London, United Kingdom

ElevenLabs and a16z are holding a worldwide AI agents hackathon. We will bring together the world's best builders at 9 in-person + online events simultaneously. Feb 22-23 2025

$92,247 in prizes
Feb 21 – 24, 2025
834 participants