LibreChat

LibreChat is a user-friendly chat platform that lets you interact with AI models in a way that feels natural and conversational. It's free to use and gives you full control over your data.

Getting started

1. Go to librechat.ccv.brown.edu

2. Login in using your brown gmail address

The interface is similar to ChatGPT. To use it, type your message into the text box located at the bottom of the page.

Selecting different LLMs

At the top center of the website, you’ll see two dropdown menus. The one on the left lets you select the endpoint—this refers to the server or service hosting the language model (LLM). The dropdown on the right allows you to choose from the available LLMs. You can freely switch between models to test and compare how they respond to your questions.

Azure OpenAI

Azure OpenAI lets you use advanced language models like GPT-4 directly through Microsoft’s cloud. If you're using LibreChat and want to connect it to a model hosted in Azure. This gives you the benefits of OpenAI's models with the added security, scalability, and management tools provided by Azure—perfect for teams or organizations building private, customizable AI chat tools.

Google VertexAI

Google Vertex AI is a cloud platform that lets you use powerful AI models like Gemini. It runs on Google Cloud, so you get strong security, scalability, and easy integration with other Google services. Using LibreChat, you can connect it to Vertex AI to create your own private chatbot using Google’s advanced language models—without needing to host the models yourself.

Model Configurations

You can configure various settings for your endpoint and models using the Configuration tab located on the left side of the website. By default, it's hidden, but you can access it by clicking the arrow to expand the sidebar.

A new UI panel will show at the left side

Please refer to the official LibreChat user guide to learn how to use the different settings and understand how they impact your model’s performance.