Claude@Stanford Buildathon Online Projects built at the Claude@Stanford Buildathon $2,000 in prizes Winners announced 44 participants
TreeHacks 2026 Stanford, CA, USA The largest collegiate hackathon in the US. $1,030,875 in prizes Feb 14 – 15, 2026 1098 participants
Get Funded @Prompt Driven Development with Toolhouse and 500 Global Hackathon Palo Alto, CA, USA Join PromptDriven.ai and Toolhouse for a single-day hackathon at 500 Global. Build AI agents, master the PDD workflow, and pitch to top VCs Non-monetary prizes Jan 31, 2026 144 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