Build with Gemini XPRIZE Featured Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Aug 17, 2026 04:00 PM EDT to submit 23953 participants
Arm Create: AI Optimization Challenge Online One challenge. Three frontiers of AI. All powered by Arm. $8,000 in prizes Aug 14, 2026 07:00 PM EDT to submit 2148 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners TBD 46776 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners TBD 9743 participants
USAII® Global AI Hackathon 2026 Online (* REGISTRATION EXPIRED JUNE 6 11:59 PM ET *) A global virtual AI hackathon empowering students to build solutions for real-world good—from everyday impact to career readiness. $15,000 in prizes Winners announced 6073 participants
Splunk Agentic Ops Hackathon Online Reimagine the future of agentic operations using Splunk AI $20,000 in prizes Winners announced 2374 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14473 participants
DeveloperWeek New York 2026 Hackathon Queens, NY, USA Join the nation's largest challenge-driven in-person and online hackathon @ DeveloperWeek New York 2026! $9,250 in prizes May 25 – Jun 10, 2026 614 participants
DevNetwork [AI + ML] Hackathon 2026 South San Francisco, CA, USA Join the nation's largest challenge-driven AI and ML in-person + online hackathon @ AI DevSummit 2026! $8,000 in prizes May 11 – 28, 2026 1128 participants
Reddit Mod Tools and Migrated Apps Hackathon Online Join Reddit to build moderation tools for the Reddit community! $45,000 in prizes Winners announced 3098 participants
ZerveHack Online Stop thinking about it. Build it. Zerve AI Hackathon, $10,000 in prizes. $10,000 in prizes Winners announced 2225 participants
AWS AI Agents Hackathon San Francisco, CA, USA Join us to build cutting-edge secure AI agents that push the limits of enterprise AI applications Non-monetary prizes Oct 10, 2025 192 participants