Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29869 participants
HTCJ × PROOF Aviation Futures Challenge Boston, Massachusetts, USA Build the Future of Flight. Then Prove It. Non-monetary prizes Jun 24 – Oct 27, 2026 133 participants
OpenCV AI Competition 2026, powered by AWS Online Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS). Win money and bragging rights! $20,250 in prizes Winners TBD 6340 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35458 participants
OneAquaHealth IEEE Global Hackathon Online Healthy Waters Healthy Ecosystems.Healthy Communities $3,500 in prizes Winners announced 1358 participants
RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28559 participants
The Rice University Urban Sustainability Hackathon Online World Cup 2026 HACK $15,000 in prizes Winners announced 464 participants
AI Builders Hackathon Online Building the Future of Intelligent Systems. The Internet Needs Better AI. $3,000 in prizes Winners announced 3503 participants
CALL-E: Your Code Is Calling Online Turn your code into an AI agent that makes real phone calls. $10,000 in prizes Winners announced 3198 participants
Agentic Cinema: The Blockbuster Hackathon Online Lights. Camera. Code. $75,000 in prizes Winners announced 10084 participants
Hack for Humanity | Summer 2026 Online AI for Mental/Physical Health and Concussion Recovery $100 in prizes Winners announced 1356 participants
Hack the Habitat Online Build tech that protects the planet's ecosystems, climate, and wildlife. $1,000 in prizes Winners announced 324 participants
Pixel Forge AI Hackathon ($18,000+ in Prizes) Online Create apps and web with AI powered tools and coding Non-monetary prizes Winners announced 832 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 26389 participants
Ventura Challenge Online VENTURA is a virtual pitch competition where high school founders present startup ideas, with top teams earning funding and support to build and launch real ventures. Non-monetary prizes Winners TBD 174 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46654 participants
Global AI Hackathon Series with Qwen Cloud Online Build your own AI Agent on Qwen Cloud - compete for $70K in prizes across five tracks. $45,000 in prizes Winners announced 8432 participants
Reddit’s Games with a Hook Hackathon Online Join Reddit and Phaser to build incredible games for the Reddit community! $40,000 in prizes Winners announced 3062 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 4404 participants
LUMA Pitch Competition (July 3rd - 10th) Online Pitch your idea, win $130 in subscription prizes guaranteed! $130 in prizes Winners announced 751 participants
FutureAI Global Hackathon 2026 Online Join developers worldwide to build the next generation of AI innovations. Non-monetary prizes Winners announced 453 participants
Moonshot Hackathon Online Moonshots Only - Zero to one Ideas Non-monetary prizes Winners announced 645 participants
Build the Future with AI — From Code to No-Code Online Build real-world AI projects using code or no-code tools. Learn, innovate, and showcase your skills in a fast-paced hackathon designed for future builders. Non-monetary prizes Winners announced 545 participants
PhysTech 2026: Physical Activity and Technology Hack Day Online Move, Inspire and Innovate! Demonstrate your talent and showcase your hack for physical activity. Non-monetary prizes Winners announced 484 participants