The WebMCP Challenge Online 10 days for exploring what’s possible with WebMCP $35,000 in prizes Winners TBD 7067 participants
Build with Gemini XPRIZE Online $2,000,000 in prizes. Build with Gemini. Ship products that impact the world. $2,000,000 in prizes Winners TBD 26435 participants
OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46697 participants
Slack Agent Builder Challenge Online Whether it's your first agent or your fiftieth - Slack is where it ships. $42,000 in prizes Winners announced 4421 participants
H0: Hack the Zero Stack with Vercel v0 and AWS Databases Online Front-end in minutes. Back-end designed for scale. $80,000 in prizes Winners announced 9726 participants
RevenueCat Shipyard: Creator Contest Online Collaborate with creators to build their app in 1 month $165,000 in prizes Winners announced 7057 participants
Reddit and Kiro: Community Games Challenge Online Reddit and Kiro are hosting a virtual hackathon for the best community game! $45,000 in prizes Winners announced 1925 participants
The Future of Agents Hackathon San Francisco, CA, USA Creators Corner invites you to turn bold ideas into action with an exclusive AI Agents hackathon. Join us to build AI agents that push the limits of LLMs and AI applications! $14,300 in prizes Oct 17, 2025 110 participants
AI Agent Competition by Open Mobile Hub Mountain View, CA, USA Join us for an AI Agent Competition, with over $15,000 in prizes! $18,500 in prizes Sep 8 – Oct 11, 2025 293 participants
AWS AI Agents Hackathon San Francisco, CA, USA Join us to build cutting-edge secure AI agents that push the limits of enterprise AI applications Non-monetary prizes Oct 10, 2025 192 participants
Aeternity SF Hackathon San Francisco, CA, USA Spend a weekend learning the Sophia smart-contract language, exploring AEpp boilerplates, and building powerful decentralized applications on the Aeternity blockchain. $5,000 in prizes Oct 5, 2025 28 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 9947 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8633 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 128326 participants
Perplexity Hackathon Online Create an internet-enabled project to inspire curiosity, seek knowledge, or reason through complex tasks. $35,000 in prizes Winners announced 4351 participants
