VoltHacks Online Design. Build. Power the Future. Non-monetary prizes Winners announced 2147 participants
All Things Agentic Hackathon Online Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously. $180,000 in prizes Winners TBD 12275 participants
CockroachDB × AWS Hackathon - Build with Agentic Memory Online Agents that think. Agents that act. Agents that remember; reliably, globally, at any scale. $8,750 in prizes Winners announced 3698 participants
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners announced 26417 participants
Agents Assemble - The Healthcare AI Endgame Online Build Interoperable Healthcare Agents at the Intersection of MCP, A2A, and FHIR $25,000 in prizes Winners announced 4297 participants
The Climate Change-Makers Challenge: 2026 Online Join youth from across the world in this three-day challenge to create solutions for our climate crisis! $CAD 2,690 in prizes Winners announced 279 participants
INNOSpark Pitch Competition Online Pitch your business, non-profit or passion project for a chance to win $10,000 in prizes! $3,000 in prizes Winners announced 613 participants
AI For Good Online Build solutions that change lives ₹ 60,000 in prizes Winners announced 857 participants
Frostbyte Hackathon Online Shaping the Future of Technology & AI Non-monetary prizes Winners announced 1011 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners announced 11827 participants
The Reddit Daily Games Hackathon Online Join Reddit and GameMaker to build incredible daily games for the Reddit community! $40,000 in prizes Winners announced 2980 participants
Play Everywhere: The Build with Snap Games Lensathon Online Build a Game for Snapchat Using Lens Studio $30,000 in prizes Winners announced 1037 participants
Hex-a-thon Online Build the analysis you wish existed. Join Hex's virtual hackathon to analyze, build, and explore data with AI — all in one place. $10,000 in prizes Winners announced 1448 participants
PyTorch Dendritic Optimization Hackathon Build smarter, smaller, cheaper ML models after minutes of coding with Dendritic Optimization. $18,500 in prizes Jan 15 – 19, 2026 282 participants
AI 4 Alzheimer's Online Build AI models for early Alzheimer’s detection. Make an impact in healthcare. Save a life. $500 in prizes Winners announced 1445 participants
Hackmas: HackMars 2.0 Online Innovate, collaborate, and build a program with a Christmas theme for Hackmas! This will be the second official HackMars hackathon. Non-monetary prizes Winners announced 162 participants
Student Innovators Without Borders Hacks (Students; Open Ended) Online Build software that delivers measurable impact for social good Non-monetary prizes Winners announced 943 participants
Hoobit International Ideathon Online A global stage to map problems, shape ideas, and drive impact. Non-monetary prizes Winners announced 502 participants
