Jan
Open-source ChatGPT-style desktop app that runs 100% offline.
- Star 数
- 45K
- Fork 数
- 3.1K
- 未关闭 Issue
- 579
- 最近提交
- 2026-10-15
数据来自 GitHub API · 更新于 2026-10-15
Jan 是什么？
Jan is a desktop app for chatting with local models (powered by llama.cpp) or remote APIs. It includes a model hub, a local OpenAI-compatible API server and extensions — an open-source alternative to LM Studio.
主要功能
- Offline chat with local models
- Model hub with one-click downloads
- Local OpenAI-compatible API server
- Optional remote providers
系统要求
- 平台
- Windows · macOS · Linux
- 内存
- 8 GB minimum, 16 GB+ recommended
如何安装 Jan
根据项目 README 整理。开源项目更新很快，请以 GitHub 页面上的最新说明为准。
Desktop app
- 1Download Jan for your OS from jan.ai or GitHub Releases and install it.
- 2Open the Hub, download a model and start chatting.
优势
- Polished, fully open-source UI
- Private by default
不足
- Fewer advanced settings than LM Studio
Jan 替代品对比
| 软件 | Star 数 | 许可证 | 平台 | 显存 |
|---|---|---|---|---|
| Jan Open-source ChatGPT-style desktop app that runs 100% offline. | 45K | AGPL-3.0 | — | |
| GPT4All Private, on-device chat with local document Q&A. | 77.4K | MIT | — | |
| Ollama Get up and running with large language models locally. | 183.2K | MIT | — | |
| AnythingLLM All-in-one desktop and Docker app for private document chat and agents. | 67.1K | MIT | — | |
| Open WebUI Self-hosted ChatGPT-style interface for Ollama and OpenAI-compatible APIs. | 155.7K | Open WebUI License (BSD-3-Clause based) | — | |
| llama.cpp LLM inference in C/C++ — the engine behind most local AI apps. | 131.2K | MIT | — |
常见问题
Jan 免费吗？
是的——Jan 是开源软件，采用 AGPL-3.0 许可证。商用前请确认软件及模型权重的许可条款。
Jan 支持 Windows、Mac 和 Linux 吗？
Jan 支持：Windows, macOS, Linux。
运行 Jan 需要什么配置？
RAM: 8 GB minimum, 16 GB+ recommended
如何安装 Jan？
1. Download Jan for your OS from jan.ai or GitHub Releases and install it. 2. Open the Hub, download a model and start chatting.
Jan 有哪些好的替代品？
常见替代品包括 GPT4All, Ollama, AnythingLLM, Open WebUI，详见本页对比表。