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 27344 participants
Nebius x NVIDIA Global AI Hackathon Online Build the next frontier of AI on open infrastructure $50,000 in prizes Winners TBD 29881 participants
CodeSprint by Elite Coders Online A month-long open-source building challenge where you turn an idea into a working MVP, build in public, receive mentorship, and compete for a spot at the final pitching in Dehradun ₹ 30,000 in prizes Voting opens soon 396 participants
OpenCV AI Competition 2026, powered by AWS Online Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS). Win money and bragging rights! $20,250 in prizes Nov 10, 2026 02:45 AM EST to vote 6352 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 TBD 5105 participants
Cal Hacks 13.0 San Francisco, CA, USA This year's Cal Hacks is presented by Anthropic, Annapurna Labs, Spacetime, and Hyphenate! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $204,408 in prizes Oct 23 – 25, 2026 1918 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 915 participants
ForgeHacks Online 2026 Online A student hackathon focused on Forging AI solutions that solves real-world challenges. $2,647,335 in prizes Winners announced 3313 participants
ML Empowerment Build Challenge 3.0 Online Learn AI, build real-world projects, and create impact through guided resources, mentorship, and a global community of student innovators. @mlempowermentfoundation on Instagram. Non-monetary prizes Winners announced 788 participants
Startup Speedrun Hackathon San Francisco, CA, USA $27.5k+ in prizes. 8 hours to speedrun your startup with Brainbase, Anthropic, Cloudflare, and Stripe at Cloudflare HQ, San Francisco. $3,500 in prizes Sep 28, 2026 43 participants
TLN Hackathon 2026 Online Building the Next Generation of Cybersecurity Solutions - TLN Cybersecurity Challenge Non-monetary prizes Winners announced 487 participants
AI Builders Hackathon Online Building the Future of Intelligent Systems. The Internet Needs Better AI. $3,000 in prizes Winners announced 3504 participants