PayPal AI Hackathon Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 16729 participants
Life After Code Online The path to production at the speed of imagination $45,000 in prizes Oct 27, 2026 09:00 AM EDT to submit 2595 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46676 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 6063 participants
FIND EVIL! Online AI threats strike in minutes. Build the defender that responds in seconds. $22,000 in prizes Winners announced 4394 participants
Google Cloud Rapid Agent Hackathon Online Building Agents for Real-World Challenges $60,000 in prizes Winners announced 14443 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 3088 participants
Build with MeDo Hackathon Online Build creative applications with MeDo, no coding required. Push the boundaries of what you can create. $50,000 in prizes Winners announced 8338 participants
Cloudathon@SJSU 2026 San Jose, CA, USA NETS at San José State University presents Cloudathon in collaboration with Adobe, AWS, Fortinet, Verkada, Splunk, SJSU Career Center, and Foothill College. Max 5 per team. Non-monetary prizes Apr 1 – May 1, 2026 296 participants
Multimodal Frontier Hackathon San Francisco, CA, USA We’ve stacked real infra and real AI so your hack ships as a product, not a slide. In one sprint, build agents, copilots, and autonomous systems that actually work end to end. $20,000 in prizes Mar 28, 2026 137 participants
The Reddit Daily Games Hackathon Online Join Reddit and GameMaker to build incredible daily games for the Reddit community! $40,000 in prizes Winners announced 2980 participants
AGI, Inc. x OpenAI x Lovable REAL Agent Challenge San Francisco, CA, USA Build frontier autonomous web and computer-use agents with AGI, Inc. x OpenAI x Lovable $9,000 in prizes Nov 23, 2025 132 participants
Code with Kiro Hackathon Online A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development. $100,000 in prizes Winners announced 9942 participants
WeaveHacks: Agent Protocols Hackathon (MCP, A2A) with Weights & Biases & Google San Francisco, CA, USA Build agentic protocols into your agents, use WB Weave for observability, win a robo dog! $13,950 in prizes Jul 11 – 13, 2025 152 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 129573 participants
Agent Development Kit Hackathon with Google Cloud Online Build multi-agent AI systems with Agent Development Kit and Google Cloud $50,000 in prizes Winners announced 10349 participants
DevNetwork [AI + ML] Hackathon 2025 South San Francisco, CA, USA Join the nation's largest challenge-driven in-person and online hackathon @ AI DevSummit 2025! $12,500 in prizes May 12 – 29, 2025 840 participants
![DevNetwork [AI + ML] Hackathon 2025](http://d112y698adiu2z.cloudfront.net/photos/production/challenge_thumbnails/003/377/481/datas/medium.jpg)