# GPT4All

> Desktop app to run open-source language models locally and completely offline

GPT4All is a desktop application by Nomic that lets you download and run large language models directly on your computer hardware without sending data to the cloud. Its LocalDocs feature indexes folders of text, markdown, and PDF files to allow offline document search and retrieval-augmented generation.

Website: https://nomic.ai/gpt4all

## What it is for

- Chat privately with local language models without an internet connection
- Index and query local PDFs and text files offline using LocalDocs
- Test different open-source model architectures locally without API costs

## Features

- Completely local execution with no data leaving the device
- LocalDocs feature for private document indexing and offline RAG
- Built-in model manager to browse and download open-source models
- Cross-platform support across macOS, Windows, Windows ARM, and Linux

## Pricing

Open source. Free and open-source

## Details

- Type: Desktop app
- Category: [AI](https://xiry.app/topics/ai.md)
- Open source: yes
- Platforms: macOS, Windows, Linux
- For: Developers, privacy-conscious users, and researchers wanting offline local LLMs.
- Alternative to: LM Studio, Ollama, Jan
- Tags: llm, offline ai, rag, localdocs, open source, desktop app

## Why it was saved

- [@techfren, 14 July 2024](https://www.instagram.com/reel/C9ZrzJ0yxJr/): It allows you to search and chat with local documents privately on your device without sending any data to the cloud.

## Related

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- [Stop Paying the OpenAI Tax: The Emerging Open-Source AI Stack](https://xiry.app/resources/stop-paying-the-openai-tax-the-emerging-open-source-ai-stack): Architectural guide breaking down developer-friendly open-source alternatives across modern AI layers (Article or course, Free)
- [Pinokio](https://xiry.app/resources/pinokio): Browser that installs and runs open-source AI apps with one click (Desktop app, Free)
- [Hermes 3](https://xiry.app/resources/hermes-3): Open-weights fine-tune of Llama 3.1 built for agentic function calling. (AI model, Open source)
- [8 Ways to Improve RAG Applications](https://xiry.app/resources/8-ways-to-improve-rag-applications): Practical architectural strategies to fix common failure modes in RAG systems (Tip, Free)
- [AutoGPT](https://xiry.app/resources/autogpt): Open-source platform and framework for building autonomous AI agents (GitHub repo, Freemium)

Updated 3 October 2026. Page: https://xiry.app/resources/gpt4all

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