# GPT4All > Free, locally-running AI chatbot that runs large language models privately on your desktop without requiring internet or cloud services. GPT4All is a free, open-source ecosystem developed by Nomic AI that enables users to run large language models (LLMs) locally on their own hardware. It provides a privacy-focused alternative to cloud-based AI assistants by allowing users to interact with powerful AI models without sending data to external servers. The platform supports a wide range of open-source models and is designed to be accessible to users without technical expertise. **Key Features:** - **Local Model Execution** - Run AI models entirely on your own computer without requiring an internet connection, ensuring complete data privacy and control over your conversations. - **Cross-Platform Desktop Application** - Available for Windows, macOS, and Linux with a user-friendly interface that makes it easy to download, install, and start chatting with AI models. - **Multiple Model Support** - Access a curated collection of open-source language models that can be downloaded directly through the application, allowing users to choose models based on their hardware capabilities and use cases. - **Privacy-First Design** - All processing happens locally on your device, meaning your conversations and data never leave your computer, making it ideal for sensitive or confidential use cases. - **Hardware Optimization** - Optimized to run efficiently on consumer-grade hardware including CPUs and GPUs, with support for various quantization levels to balance performance and quality. - **Document Chat Capabilities** - Load and chat with your local documents, enabling AI-assisted analysis and question-answering over your own files without uploading them anywhere. - **Plugin Ecosystem** - Extensible architecture that supports plugins and integrations to enhance functionality and customize the experience. **Getting Started:** To begin using GPT4All, download the desktop application from the official website for your operating system. After installation, launch the application and browse the available models in the model library. Select a model that fits your hardware specifications and download it. Once downloaded, you can immediately start chatting with the AI locally. The application provides guidance on model selection based on your system's RAM and GPU capabilities to ensure optimal performance. ## Features - Local LLM execution - Privacy-focused AI chat - Cross-platform desktop application - Multiple open-source model support - Document chat functionality - Offline operation - CPU and GPU optimization - Model quantization support - Plugin ecosystem - No cloud dependency ## Integrations Local documents, PDF files, Text files ## Platforms WINDOWS, MACOS, LINUX, WEB, API ## Pricing Open Source ## Links - Website: https://www.nomic.ai/gpt4all - Documentation: https://docs.gpt4all.io - Repository: https://github.com/nomic-ai/gpt4all - EveryDev.ai: https://www.everydev.ai/tools/gpt4all