Doan Tuan Khai (drekhai123)

United States
Website
GitHub

OpenAI Build Week

Online

Join a global week of building with Codex

$100,000 in prizes
Winners announced
46685 participants

The Future Innovators Hackathon: A Road to START Hack

Lisboa, Portugal

Build bold MVPs in 24 hours on April 24–25, in person with mentors and entrepreneurs from the Unicorn Factory ecosystem.

€2,000 in prizes
Mar 31 – Apr 25, 2026
183 participants

HackDKU 2026

Su Zhou Shi, China

Innovate, Collaborate, Transform

$1,100 in prizes
Apr 11 – 18, 2026
116 participants

QWEN AI BUILD DAY

Thành phố Hồ Chí Minh, Vietnam

Build practical AI for mobility, financial services, healthcare, and public sector with Qwen, pitch live in Ho Chi Minh City, and compete for track winner recognition

Non-monetary prizes
Apr 9 – 18, 2026
294 participants

LotusHacks x HackHarvard x GenAI Fund Vietnam Hackathon

Thành phố Hồ Chí Minh, Vietnam

Vietnam's largest ever hackathon

$9,670 in prizes
Mar 20 – 22, 2026
640 participants

Gemini 3 Hackathon

Online

Build what's next

$100,000 in prizes
Winners announced
35515 participants

Kiroween

Online

Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode

$100,000 in prizes
Winners announced
4967 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
129575 participants