OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8655 participants
HackED 2025 Edmonton, Canada Unleash your coding potential in one of Alberta's largest hackathons! Join us to learn, build, and connect. $CAD 8,350 in prizes Feb 16 – 17, 2025 311 participants