Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29874 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 Nov 10, 2026 02:45 AM EST to vote 6349 participants
VoltHacks Online Design. Build. Power the Future. Non-monetary prizes Winners announced 2147 participants
Build Beyond Hackathon Online Build beyond the ordinary. Turn your ideas into real projects, collaborate with innovators, and create solutions that shape the future. Non-monetary prizes Winners announced 1343 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
IEEE OC Computer Society AI Dev Hack 2025 Online Building the Future: AI-Powered Tools for Real World Impact $1,752 in prizes Winners announced 1516 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8634 participants
AI for Good Hackathon Hyderabad, India Harnessing the power of AI for Positive Social Impact ₹ 275,000 in prizes Jun 30 – Aug 6, 2025 4194 participants