OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8646 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 4361 participants
Bitcoin 2025 Official Hackathon Online Virtual Hackathon for the Bitcoin 2025 Conference in Las Vegas $58,750 in prizes Winners announced 830 participants
World's Biggest MCP Hackathon the world's biggest MCP hackathon is happening Saturday may 17th! Non-monetary prizes May 17, 2025 235 participants
Techstars Startup Weekend - PAI Palooza - Seattle Seattle, WA, USA AI - Now It's Personal Non-monetary prizes Aug 2 – 4, 2024 28 participants
Hack for the People Online Engaging students in tackling the world's largest problems $20,060 in prizes Winners announced 701 participants
