Key features

• Run local large language models directly on your own device, enabling fully private and offline AI chat without relying on cloud services.
• Keep all conversations and data on your hardware — nothing is uploaded, protecting your privacy.
• Free and open-source desktop application released under the permissive MIT license.
• No usage limits; all models execute locally on your own hardware.
• Cross-platform desktop support for Windows, macOS, and Linux.

Platforms: Windows, macOS, Linux

Links

• Official website: https://gpt4all.io
• Source code repository: https://github.com/nomic-ai/gpt4all

Pricing

Free. GPT4All is completely free and open-source (MIT) with no usage limits; all models run locally on your hardware. It serves as a private, offline alternative to cloud-based AI chat tools such as ChatGPT.