Cloud LLM on 16 GB VRAM — Part 3: A ChatGPT Interface for Your LangGraph Agents
Summary
This article walks through building a ChatGPT-style UI for LangGraph agents on a 16 GB VRAM cloud GPU setup. It covers the LangGraph server, REST API passthrough, auth handling, and integration with LangSmith, Next.js, and agent-chat-ui. It also explains how to deploy the stack on a VPS with Docker, Nginx, SSL, and environment variables. The piece includes multiple implementation details for multi-agent routing, tool calling, and human-in-the-loop workflows. It is especially useful for teams building or deploying AI agent applications on their own infrastructure.
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