OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46672 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
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
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8639 participants
