PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Winners TBD 35828 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 3687 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 26387 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46647 participants
Hackathon New Delhi: Build AI Agents Gurugram, India In a world of AI hype, be the one who actually builds it. Non-monetary prizes Jul 18, 2026 108 participants