CALL-E: Your Code Is Calling Featured Online Turn your code into an AI agent that makes real phone calls. $10,000 in prizes Sep 14, 2026 11:45 AM EDT to submit 2884 participants
Hack The Limit Online Code from anywhere, on your own time. A few weeks to take an idea from scratch to something real, with a community cheering you on the whole way. Non-monetary prizes Winners TBD 879 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 TBD 3705 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 TBD 26461 participants
Arm Create: AI Optimization Challenge Online One challenge. Three frontiers of AI. All powered by Arm. $8,000 in prizes Winners TBD 2480 participants
Build with DataHub: The Agent Hackathon Online Build AI agents with DataHub's open-source Context Platform. $20,500 in prizes Winners TBD 3076 participants
Backblaze Generative Media Hackathon: Build with Genblaze on B2 Online Build the next generation of AI media apps. Generate with Genblaze. Store on Backblaze B2. $10,000 in prizes Winners announced 1309 participants
Next Byte Hacks V3 Online Next Byte Hacks V3: An open-ended hackathon open to everyone. Build stunning projects, assemble a great team, and compete for big prizes! Non-monetary prizes Winners announced 502 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46710 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 3065 participants