Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29875 participants
AnimalHack 2026 Online Demonstrate your talent and showcase your hack for animals, animal welfare, and human-animal relationships! Non-monetary prizes Winners announced 302 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 26395 participants
Open Atlas - AI for Social Good Hackathon 2026, presented by Manifest Milpitas, CA, USA Builders, in a room, solving real problems. Ship AI-powered solutions for immigration, healthcare, education, and financial inclusion. $4,500 in prizes Jun 20 – Aug 16, 2026 450 participants
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Winners announced 4406 participants
Beyond Tomorrow Summit Online Code the Future. Shape the World. $1,800 in prizes Winners announced 355 participants
Health in Climate London Hackathon Greater London, United Kingdom Where AI meets the climate-health crisis £4,500 in prizes Jun 20 – 21, 2026 52 participants
Changbal Innovation Hack 2026 Seattle, WA, USA A 12-hour journey where your ideas become reality! The largest Korean tech hackathon in the Pacific Northwest returns for its second year. $1,000 in prizes Jun 19 – 20, 2026 54 participants
NextGenHacks Online Build the future with NextGenHacks—create innovative projects, explore new ideas, and turn your vision into reality in a beginner-friendly, open-ended hackathon for all builders. $1,000 in prizes Winners announced 1330 participants
DSH Hacks V1 Online Developing meaningful technical products that leverage AI to improve, enhance, or expand STEM education. Non-monetary prizes Winners announced 1291 participants
Optimization Grand Challenge 2026 Magokjungang 8-ro, South Korea A global optimization competition by LG CNS — solve the Grand Shipyard Puzzle and compete for KRW 200M in prizes! $103,000 in prizes May 25 – Jun 8, 2026 205 participants
Beyond Tomorrow Summit Online CODE THE FUTURE | SHAPE THE WORLD $2,000 in prizes Winners announced 752 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 4289 participants
Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13270 participants
Gemini Live Agent Challenge Online Redefining Interaction: From Static Chatbots to Immersive Experiences $80,000 in prizes Winners announced 11817 participants
Plaksha MediThon Manauli, India Building Intelligent Solutions for Modern Pharma ₹ 150,000 in prizes Jan 20 – 31, 2026 371 participants
Codegeist 2025: Atlassian Williams Racing Edition Online Accelerate innovation: Build on Forge, extend Jira, Confluence, Bitbucket, and more— win your share of $120K. $120,000 in prizes Winners announced 3504 participants
FIBO Hackathon Online Build the Future of Creative Control with Scale $30,000 in prizes Winners announced 1138 participants
Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4958 participants
Arm AI Developer Challenge Online Build the future of AI on Arm: Create innovative, efficient mobile AI projects and compete to win $15,000 in prizes Winners announced 1628 participants
Cloud Run Hackathon Online Build applications with Cloud Run $50,000 in prizes Winners announced 3417 participants
Rift Rewind Hackathon Online Your Season, Your Story — League API + AWS AI Services $26,000 in prizes Winners announced 2506 participants