OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8657 participants
TreeHacks 2020 Stanford, CA, USA Join us as we build apps, hardware, & community in the California sun! $141,250 in prizes Feb 14 – 16, 2020 582 participants
SheHacks IV London, Canada One of Canada's Largest All-Female Hackathons $CAD 3,553 in prizes Jan 11 – 12, 2020 199 participants
SheHacks III London, Canada Canada's Largest 12-Hour All-Female Hackathon $CAD 4,640 in prizes Mar 16, 2019 165 participants
Hack Western 5 London, Canada Hack Western is Western University's annual student-run hackathon, allowing students to innovate, build and create amazing technologies. $CAD 18,220 in prizes Nov 23 – 25, 2018 327 participants
Hack the North 2018 Waterloo, Canada Canada's Biggest Hackathon @ University of Waterloo $16,720 in prizes Sep 14 – 16, 2018 738 participants
