Building a Voice-Controlled Local AI Agent with Whisper, LLaMA, and LangGraph

Introduction What if you could just speak to your computer and have it write code, create files, or summarize text — without sending a single byte to the cloud? That's exactly what I built for my internship assignment: a fully local, voice-controlled AI agent using only open-source tools. In this article I'll walk through the architecture, the models I chose, and the challenges I faced building it. What It Does The agent accepts a voice or text command, transcribes it, figures out what the...