OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8652 participants
ElevenLabs x 16z Worldwide Hackathon Greater London, United Kingdom ElevenLabs and a16z are holding a worldwide AI agents hackathon. We will bring together the world's best builders at 9 in-person + online events simultaneously. Feb 22-23 2025 $92,247 in prizes Feb 21 – 24, 2025 834 participants
MLH Fellowship Orientation Hackathon - Spring 2022 Online Orientation Hackathon - Spring 2022 Non-monetary prizes Winners announced 54 participants
Convergence - Serum & Wormhole Hackathon Online Crosschain Defi Hackathon $585,000 in prizes Winners announced 751 participants
Chainlink Fall Hackathon 2021 Online Build the next generation of hybrid smart contracts alongside developers, creators, artists, and industry-leading mentors from across the blockchain ecosystem. $606,500 in prizes Winners announced 1520 participants
IGNITION | A Global Solana Hackathon Online Launching the next wave of crypto apps and infrastructure $5,120,000 in prizes Winners announced 5748 participants
Neo Frontier Blockchain Launchpad Online Be among the first to develop an application on N3 - the groundbreaking new version of the Neo blockchain. $106,000 in prizes Winners announced 644 participants
RookieHacks Online Attend your first hackathon or pick up a new programming language at RookieHacks! Non-monetary prizes Winners announced 368 participants
