PantherHacks 2026 Orange, CA, USA Chapman University's second annual 48-hour hackathon! Non-monetary prizes Apr 3 – 5, 2026 79 participants
BatchHacks (Students Only; Open-Ended) Online Create any project that delivers real-world impact. Using AI is preferred, however it is not a requirement. Students only, please. Get feedback from over 30 industry professionals Non-monetary prizes Winners announced 1300 participants
Cal Hacks 12.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Claude, Fetch AI, AppLovin, and Amazon's Annapurna Labs! Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $58,100 in prizes Oct 24 – 26, 2025 2165 participants
IEEE OC Computer Society AI Dev Hack 2025 Online Building the Future: AI-Powered Tools for Real World Impact $1,752 in prizes Winners announced 1520 participants
GKE Turns 10 Hackathon Online Build next gen microservices with AI Agents $50,000 in prizes Winners announced 4721 participants
TiDB AgentX Hackathon 2025 Online Forge Agentic AI for Real-World Impact $30,500 in prizes Winners announced 2658 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8656 participants
Cal Hacks 11.0 San Francisco, CA, USA This year's Cal Hacks is co-hosted by Google and Fetch.ai. Together we'll assemble in SF for a weekend of hacking, friendship, and crazy ideas. $188,960 in prizes Oct 19 – 20, 2024 1140 participants