AssemblyAI

About AssemblyAI

AssemblyAI builds best-in-class Voice AI models powering the next generation of voice applications. The company processes over 2 million hours of audio daily and serves 600M+ inference calls monthly, powering 2 billion+ end-user experiences. With thousands of customers including Granola, Fireflies, Figure AI, and CallRail, AssemblyAI operates as a capital-efficient, lean organization with under 100 people generating approximately $600K ARR per employee. The company focuses on solving complex problems in large-scale distributed training, data processing, and inference for voice AI applications.