Koyal is an agentic AI filmmaking platform that converts scripts or audio into personalized, visually compelling stories. Users upload voiceovers or scripts, design characters, create scenes, and edit visually without complex prompts or traditional filming equipment. The team is drawn from Carnegie Mellon, MIT Media Lab, and Meta, with experience in AI video generation. Koyal has run paid pilots with global music labels and production houses, including Universal Music and T-Series; it is part of Y Combinator's Fall 2025 batch.