Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29876 participants
Hack Apertus St. Gallen, Switzerland Welcome to the first stage of «Hack Apertus», an open-source hackathon series to evaluate, align, and build on Apertus, Switzerland’s sovereign LLM. €10,680 in prizes Oct 1 – 16, 2026 914 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
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46662 participants