Jan

概述

Jan is an open-source desktop app for running open language models locally, positioned as an offline ChatGPT alternative. It bundles a model library, local inference (via llama.cpp), an OpenAI-compatible API server, and optional connections to cloud models. Jan is free, runs on Windows, macOS, and Linux, and keeps data on-device by default.

主要功能

• One-click download and run of open models
• Fully offline chat with local files staying private
• OpenAI-compatible local API server
• Optional cloud model connections and extensions

适用场景

• Private, offline AI chat on personal hardware
• Local development against an OpenAI-style API
• Experimenting with open models without a GPU cloud

定价

Jan is free and open source; users optionally pay third-party providers if they connect cloud models.

常见问题

Is Jan free?

Yes, Jan is a free, open-source desktop application.

Does Jan work offline?

Yes. Jan runs models locally so chats work without internet and data stays on-device.

Which platforms does Jan support?

Jan runs on Windows, macOS, and Linux.

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查看Jan的全部替代品 → · 查看全部平台与基础设施产品 →

来源

• Official website ↗
• Source code (GitHub) ↗

本记录最近复核于 2026-07-30。

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