Polymet

Polymet is an AI product designer and coding agent. Teams describe what they want or upload an image, and Polymet designs the interface and writes production-ready front-end code; in 2026 it added codebase import, backend features and connectors to tools such as GitHub, Linear and Slack. It was founded in Istanbul in 2024 by Yusuf Hilmi and went through Y Combinator's Summer 2024 batch. The company, Polymet AI, Inc., is now based in San Francisco, while most of its small team is in Türkiye.