TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 in prizes Feb 14 – 15, 2026 1097 participants
HackHarvard 2025: Compile the Decade Cambridge, MA, USA Compile the Decade for our 10th anniversary Non-monetary prizes Oct 3 – 5, 2025 528 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8652 participants
FAF Multimodal Hackathon San Francisco, CA, USA We're bringing awesome builders across America and Canada to SF for a weekend to see what they create. $17,500 in prizes Aug 9 – 10, 2025 87 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 128413 participants
100 Agents Hackathon - Pushing The Limits of Agentic AI Online Bringing together the community, top open-source sponsors, and the most notable experts in AI to push the limits of AI Agents. $5,500 in prizes Winners announced 651 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 4365 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
MCP and A2A Hackathon - AWS Edition San Francisco, CA, USA Creators Corner invites you to turn bold ideas into action with an exclusive MCP hackathon. Join us to build AI agents that push the limits of LLMs and AI applications! $23,500 in prizes May 2, 2025 155 participants
STHacks Boston, MA, USA Developing for SOCIAL IMPACT! Non-monetary prizes Mar 28 – 30, 2025 27 participants
Steast Hackathon 2025 Boston, MA, USA Develop for good! Non-monetary prizes Mar 14 – 16, 2025 9 participants
Civic Tech Hackathon 2025 Boston, MA, USA Where technology can create an equitable future through the hands of students. $10,334 in prizes Feb 22 – 23, 2025 174 participants
HackBeanpot 2025 Boston, MA, USA An independently-run Boston hackathon for curious students, hackers, makers, and beginners. Non-monetary prizes Feb 7 – 9, 2025 145 participants
Hack@Brown 2025 Providence, RI, USA Learn and build with us at Brown's annual hackathon! $6,220 in prizes Feb 1 – 2, 2025 218 participants
The Docusign Hackathon: Unlocked Online Unlock what's possible. Build the future of Agreements. $48,000 in prizes Winners announced 1383 participants
FinHacks 2025 Boston, MA, USA FinHacks is a 24 hours beginner friendly hackathon $2,500 in prizes Jan 18 – 19, 2025 101 participants
BostonHacks 2024 Online Boston University’s largest, annual student-run hackathon and various beginner friendly workshops! $5,072 in prizes Winners announced 202 participants
HackBlue Cyber Hackathon Online We challenge participants to innovate in cybersecurity solutions that bolster digital trust through projects from IoT security to phishing prevention or cybersecurity education. $75,100 in prizes Winners announced 190 participants
STEMist Hacks II Online A competition hosted by STEMist Education that aims to increase access to computer science and technology. $235,568 in prizes Winners announced 623 participants
ClockHacks Online A hackathon for time, by students, for students. Work in teams of up to 4 to create a website, game, app, robot, or whatever tech-related product you want. $10,095 in prizes Winners announced 199 participants
DeepDiveHacks Online Get ready to build hacks inspired by the sea! Non-monetary prizes Winners announced 89 participants