CALL-E: Your Code Is Calling 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 2584 participants
Build with DataHub: The Agent Hackathon Online Build AI agents with DataHub's open-source Context Platform. $20,500 in prizes Winners TBD 3074 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46719 participants
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CodeSprout 2025 Begginer's Edition Online "Where every coder begins to grow." Non-monetary prizes Winners announced 923 participants