Proof of Concept Online If you could prove any data on the internet - what would you build? $25,000 in prizes Winners announced 1894 participants
Code with Kiro Hackathon Online A challenge for developers to explore Kiro, an AI IDE that works alongside you to turn ideas into production code with spec-driven development. $100,000 in prizes Winners announced 9950 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8635 participants
DevNetwork [API + Cloud + Data] Hackathon 2025 Santa Clara, CA, USA Join the nation's largest challenge-driven API + Cloud + Data hackathon @ API World 2025! $2,000 in prizes Aug 17 – Sep 5, 2025 712 participants
HackForge Online Code, create, and collaborate toward a smarter, greener future. $200 in prizes Winners announced 387 participants
Qloo LLM Hackathon Online Join Qloo’s first global hackathon, a month-long event inviting developers, builders, and creatives to explore what’s possible at the intersection of LLMs and Qloo’s API. $25,000 in prizes Winners announced 2853 participants
Google Maps Platform Awards Online 20 years ago we made the Google Maps Platform API, then you made history. Non-monetary prizes Winners announced 3947 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 129561 participants
HackHub Online From Caffeine to Code—Let’s Build Something Bold! Non-monetary prizes Winners announced 571 participants