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Jan

Open-source ChatGPT alternative that runs offline

Jan is a desktop app for chatting with local open models or connecting to cloud APIs, keeping data on your device.

Visit Jan ↗

Pricing: Free

Platforms: Mac, Windows, Linux

Categories: AI

Jan is an alternative to

ChatGPT

Jan compared with similar tools

ProductPriceOpen sourceSelf-hostPlatforms
JanFreeYes–Mac, Windows, Linux
LM StudioFree plan––Mac, Windows, Linux
OllamaFree plan–YesMac, Windows, Linux
AnythingLLMFree planYesYesMac, Windows, Linux, Self-hosted
HarperFreeYes–Browser extension, Mac, Windows, Linux, Web
Open WebUIFree planYesYesSelf-hosted, Web
MstyFree plan––Mac, Windows, Linux

Similar to Jan

LM Studio

Desktop app to discover and run local LLMs

LM Studio lets you download open models and chat with them locally, and serves them over an OpenAI-compatible local server.

Free plan · Mac, Windows, Linux · Website ↗

Ollama

Run open large language models locally

Ollama downloads and runs open models such as Llama, Gemma, Qwen and Mistral on your computer with a CLI and local API.

Free plan · Mac, Windows, Linux · Website ↗

AnythingLLM

All-in-one AI app for chatting with your documents

AnythingLLM is a desktop and self-hosted app for RAG over documents, AI agents and multi-user chat with local or cloud models.

Free plan · Mac, Windows, Linux, Self-hosted · Website ↗

Harper

Private, open-source grammar checker

Fast open-source grammar checker that runs locally in editors, browsers and Obsidian without sending text to a server.

Free · Browser extension, Mac, Windows, Linux, Web · Website ↗

Open WebUI

Self-hosted chat interface for local and cloud LLMs

Open WebUI is an extensible web UI for Ollama and OpenAI-compatible APIs with RAG, multi-user accounts and tools.

Free plan · Self-hosted, Web · Website ↗

Msty

Desktop app for local and online AI models

Desktop AI chat app for running local models and using online providers side by side with knowledge stacks.

Free plan · Mac, Windows, Linux · Website ↗

LocalAI

Self-hosted, OpenAI-compatible API for local models

LocalAI is an open-source drop-in replacement for the OpenAI API that runs LLMs, image, audio and embedding models on your hardware.

Free · Self-hosted, Linux, Mac · Website ↗

Upscayl

Free open-source AI image upscaler for desktop

A desktop app that enlarges and enhances low-resolution images using AI models running locally on your computer.

Free plan · Windows, Mac, Linux · Website ↗

Questions

Is Jan free?

Jan is free.

Is Jan open source?

Yes, Jan is open source.

What platforms does Jan run on?

Jan is available for Mac, Windows, Linux.

What are some alternatives to Jan?

Similar indie products include LM Studio, Ollama, AnythingLLM, Harper and 4 more.

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