RevenueCat Shipaton 2026 Online Ship apps and start making money. $740,000 in prizes Winners announced 28559 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14086 participants
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
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8633 participants
DevNetwork [AI + ML] Hackathon 2025 South San Francisco, CA, USA Join the nation's largest challenge-driven in-person and online hackathon @ AI DevSummit 2025! $12,500 in prizes May 12 – 29, 2025 840 participants