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Build with DataHub: The Agent Hackathon Featured Online Build AI agents with DataHub's open-source Context Platform. $20,500 in prizes Aug 10, 2026 05:00 PM EDT to submit 2690 participants
The Email Game Canada An arena for autonomous email agents. $1,700 in prizes Jul 24 – Aug 1, 2026 149 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners TBD 46776 participants
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Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14472 participants