Kiroween 2026 Featured Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 6582 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 65044 participants
All Things Agentic Hackathon Online Ready, Set, Agent! Build next-generation agents that run in the background, handle the heavy lifting of massive datasets, and automate complex workflows asynchronously. $180,000 in prizes Winners announced 12259 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46665 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14430 participants
Learning Hackathon: Spec Driven Development Online Great AI projects start with great planning. Learn the process with Claude Code and apply it to yours. Non-monetary prizes Winners announced 1245 participants
GitLab AI Hackathon Online You Orchestrate. AI Accelerates. $65,000 in prizes Winners announced 6921 participants
Amazon Nova AI Hackathon Online Build your way with Amazon Nova $40,000 in prizes Winners announced 13402 participants
AI Partner Catalyst: Accelerate Innovation Online Accelerating innovation through the Google Cloud partner ecosystem $75,000 in prizes Winners announced 6917 participants
Kiroween Online Build something wicked for Kiroween, our annual Halloween-themed hackathon where developers dare to code in dark mode $100,000 in prizes Winners announced 4959 participants