AI Builder Challenge 2026€1k
Hackathons in December 2026
Hack123 tracks 44 hackathons whose registration closes or event ends in December 2026; 44 are open for registration. Next deadlines: AI Builder Challenge 2026 (Dec 1), Alipay AI Pay PAYATHON 2026 (Dec 1). Biggest prizes: DOE Geologic Enhanced Mapping Syste… ($300k), 4th Fairy Lake International Innova… (¥1M).
RelatedOnline hackathonsAI hackathonsHackathons in MumbaiStudent hackathonsAI Agent hackathonsBeginner-friendly hackathonsAI Coding hackathonsHardware & IoT hackathonsStartup hackathonsClimate & Sustainability hackathons
December 2026 at a glance
- Deadlines by week
- 1–7 17 · 8–14 16 · 15–21 7 · 22–31 4 · busiest day: Dec 7 (5)
- Format & region
- 5 in person · 8 hybrid · 30 online-only · 7 in China · 37 international
- Host cities
- Shenzhen 2, Mumbai 2, Manhattan, KS 1, Sunnyvale 1, New York 1, Kuala Lumpur 1, Tokyo 1, Berlin 1, Beijing 1, Hong Kong 1, +1
- Top themes
- AI 30, AI Agent 15, AI Coding 9, Hardware & IoT 7, Startup 7, AIGC & Generative AI 4
- Biggest prizes
- DOE Geologic Enhanced Mapping… $300k, 4th Fairy Lake International … ¥1M, Alipay Agent Emergence Award … ¥1M, Cosmo Hacks 2026 $142.5k, Codegeist 2026: Atlassian's F… $120k
- Who can join
- 14 for students · 13 beginner-friendly · 31 with cash prizes listed
- Still open this month
- 44 still open, next up: AI Builder Challenge 2026 Dec 1, Alipay AI Pay PAYATHON 2026 Dec 1, emma Hackathon 2026: Build on… Dec 1, Alibaba ModelScope AI+∞ Devel… Dec 1, INNOX Geek Camp Hardware Hack… Dec 2
- Open · soonest deadline first (44)
- Alipay AI Pay PAYATHON 2026 (Ant Group)¥200k
- emma Hackathon 2026: Build on Multi-Cloud GPU Infra$50k
- Alibaba ModelScope AI+∞ Developer Creation Contest #3: Make a Game with AI¥40k
- INNOX Geek Camp Hardware Hackathon: Negentropy – Deploy or Die (Shenzhen)
- DrivenData↗DOE Geologic Enhanced Mapping System (GEMS) Prize Challenge 2026 ($300,000)$300k
- Register↗4th Fairy Lake International Innovation & Entrepreneurship Competition¥1M
- Hack K-State 2026
- Kiroween 2026 (Kiro's Halloween hackathon by AWS, $100,000 cash)$100k
- VIVERSE Hackathon 2026$27k
- Alipay Agent Emergence Award 2026 · Round 1 (Ant Group)¥1M
- Website↗Apart Research Threat Intelligence & Threat Modelling Hackathon 2026 ($5,000)$5k
- Agent Games: Main Street Edition
- HackOut! 2027: Technology for Good$3k
- NovaStark Hacks 2026
- Devpost↗SLAY HACKS 2026 (global student online AI hackathon, $4,500 cash)$4.5k
- X Layer TapeOut Accelerate 2026$100k
- Source↗Enveda CASMI 2026$50k
- Google Cloud Agents for Impact Hackathon 2026
- Alibaba Qoder Beyond Coding AI Hackathon (Kuala Lumpur)
- Website↗AI HACK Tokyo 3rd Edition 2026 (ideathon, ages ~20s, ¥1,000,000 annual prize budget)
- Concordium Trusted Agents Hackathon 2026 with Encode Club (Online)
- IBM SkillsBuild AI Builders Challenge North America 2026$15k
- Devpost↗AI OpenBuild 2026 (student online AI build challenge, $150)$150
- Microsoft Agent-a-Thon 2026 (global online AI agent build)
- Website↗MLH Global Hack Week: Open Source Week 2026 (Dec 4–10, free online)
- AMD × Copernicus Berlin LOCAL HACK: Local AI Hackathon (Berlin)
- Devpost↗AWS MSP AI Hackathon 2026 (Amazon Web Services, $64,000 cash)$64k
- HackerRank Orchestrate Holiday Hackathon December 2026$2.4k
- Devpost↗SourceHacks V1 2026 (24h online student hackathon, $250)$250
- IEEE page↗IEEE GenAI for Good Challenge: Cities Edition 2026 (with UNDP)$40k
- Machine Learning for Microscopy Hackathon 3
- WFEO Hackathon 2027: Sustainable Transport Engineering€7k
- Dabao Open Hardware Hackathon$5k
- BlackBerry QNX Global Hackathon 2026: Build on QNX 8.0$50k
- LaunchHacks V Online High School Hackathon$575
- Devpost↗HETIC AI Agents for Founders Challenge 2026€997
- PICO Space Program 2026 China Developer Competition¥300k
- GS1 Hong Kong IoT Data Hackathon 2027HK$14k
- Devpost↗Arbiter Hacks V1 (online student hackathon, $7,800 cash)$7.8k
- Cosmo Hacks 2026$142.5k
- Codegeist 2026: Atlassian's Forge Hackathon ($120K)$120k
- GenHacks 2026: Online Student Hackathon
- Singapore Embodied AI Challenge: Manufacturing 2026S$88k
Months
February 2027 4January 2027 13November 2026 249October 2026 178September 2026 37August 2026 25July 2026 3June 2026 3May 2026 5April 2026 3March 2026 3February 2026 5
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