Launch HN: Kino AI (YC S23) – AI media manager and video editor

Kino AI, a YC S23 startup, launches a code-first video editor that integrates AI agents, real-time collaboration, and professional media management in one platform. Built on Remotion, it allows users to express all editing, motion graphics, and timeline work as code while supporting concurrent editing by multiple agents and teammates with live cursor tracking. The platform handles professional video formats like ProRes and BRAW, with AI features including transcription, embedding, face detection, and LLM-powered color grading.