Hertz-Dev is an open-source 8.5 billion parameter audio model for real-time conversational AI.It achieves a theoretical latency of 80 milliseconds and a real-world latency of 120 milliseconds on a single NVIDIA RTX 4090 GPU.The model is designed to be accessible, powerful, and efficient, democratizing the field of conversational AI.Hertz-Dev reduces latency to a level where human-machine interactions are nearly indistinguishable from human-to-human interactions.