Slack Agent Builder Challenge Featured Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Jul 13, 2026 08:00 PM EDT to submit 2073 participants
Global AI Hackathon Series with Qwen Cloud Online Build your own AI Agent on Qwen Cloud - compete for $70K in prizes across five tracks. $45,000 in prizes Jul 09, 2026 05:00 PM EDT to submit 3490 participants
FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Jun 15, 2026 11:45 PM EDT to submit 4343 participants
Splunk Agentic Ops Hackathon Featured Online Reimagine the future of agentic operations using Splunk AI $20,000 in prizes Jun 15, 2026 12:00 PM EDT to submit 2318 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners TBD 14526 participants
Optimization Grand Challenge 2026 Magokjungang 8-ro, South Korea A global optimization competition by LG CNS — solve the Grand Shipyard Puzzle and compete for KRW 200M in prizes! $103,000 in prizes May 25 – Jun 8, 2026 212 participants
GreenHack By Grevoro Bengaluru, India Code for Impact. Design for Sustainability. ₹ 15,000 in prizes May 7 – 29, 2026 140 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 3106 participants
ZerveHack Online Stop thinking about it. Build it. Zerve AI Hackathon, $10,000 in prizes. $10,000 in prizes Winners announced 2232 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 128390 participants