Kiroween 2026 Online Build something wicked and git commit to the darkness. $100,000 in prizes Dec 04, 2026 05:00 PM EST to submit 9847 participants
#BuildHybridAI 2026 Online Build AI apps that run on-device and in the cloud with Firebase AI Logic. $30,000 in prizes Submissions open soon 878 participants
UGREEN Hackathon 2026 on AI NAS Online Bring Your Skills to UGOS $46,000 in prizes Nov 16, 2026 02:45 AM EST to submit 1471 participants
PayPal AI Hackathon Featured Online Build what’s next with PayPal and AI $67,500 in prizes Nov 12, 2026 03:00 PM EST to submit 30008 participants
Learn AR with SPECS Online Learn to design for glasses. Your coding agent builds the Lens, no SPECS required. $2,500 in prizes Nov 09, 2026 05:00 PM EST to submit 1168 participants
Codex x TwitchCon Hackathon Online Build for streamers and their community on Twitch with OpenAI Codex. $25,000 in prizes, and the top 5 are shown on the Codex Booth stage at TwitchCon. $25,000 in prizes Winners TBD 2221 participants
YouCam API Skin AI & eCommerce VTO Hackathon Online Build with the YouCam API to Shape the Future of Skincare, Beauty, Fashion and eCommerce - Compete for Top Prizes $6,000 in prizes Winners TBD 1706 participants
Qloo Agentic Hackathon Online Agents, but with taste. $25,000 in prizes Winners announced 2991 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29875 participants
Life After Code Online The path to production at the speed of imagination $45,000 in prizes Winners TBD 3319 participants
Build With AI: Basics Online Learn AI best practices by creating a solid proof-of-concept for your dream project. $2,500 in prizes Winners announced 5097 participants
Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35467 participants
Hack Apertus St. Gallen, Switzerland Welcome to the first stage of «Hack Apertus», an open-source hackathon series to evaluate, align, and build on Apertus, Switzerland’s sovereign LLM. €10,680 in prizes Oct 1 – 16, 2026 914 participants