head to head · open source
Khoj vs zotero-AI-Butler
Khoj has 37,991 GitHub stars, 2,531 forks, 148 open issues and last shipped 3 months ago. zotero-AI-Butler has 1,864 stars, 106 forks, 17 open issues and last shipped 2 days ago. Khoj leads on adoption by 1,938% (37,991 vs 1,864 stars). Khoj is written in Python under AGPL-3.0; zotero-AI-Butler is written in TypeScript under AGPL-3.0. Khoj has attracted 7% as many forks as stars, zotero-AI-Butler 6%. zotero-AI-Butler was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Khoj | zotero-AI-Butler | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 1.9K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-08-02 | 2026-11-04 |
| Forks | ⑂ 2.5K | ⑂ 106 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Khoj if
- You weight community size — 38K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick zotero-AI-Butler if
- You want the zotero-AI-Butler feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and zotero-AI-Butler fits your workflow better
About Khoj
Your AI second brain 📑 Docs • 🌐 Web • 🔥 App • 💬 Discord • ✍🏽 Blog 🎁 New Meet 🌶️ Pipali our open source AI coworker that runs on your computer. Read about Khoj's excellent performance on modern retrieval and reasoning benchmarks. Overview Khoj is a personal AI app to extend your capabilities. It smoothly scales up from an on device personal AI to a cloud scale enterprise AI. Chat with any local or online LLM (e.g llama3, qwen, gemma, mistral, gpt, claude, gemini, deepseek). Get answers from the internet and your docs (including image, pdf, markdown, org mode, word, notion files). Access it from your…
About zotero-AI-Butler
Zotero插件： zotero AI Butler【AI 管家】 语言 / Language ：简体中文 English 隐私声明：本项目为第三方开源Zotero插件，不提供任何的大模型代理服务。用户需自行申请并配置大模型API Key方可使用。本插件绝不收集、存储或上传您的任何个人数据、文献或API Key，所有的交互请求均直接从您的本地设备发送至您配置的大模型服务商处。 如果本插件对您的研究有帮助，欢迎在论文中引用或致谢！ 点我查看 AI Butler Wiki ——配置与使用文档 文献下载一时爽，打开阅读火葬场。 天书难啃骨头硬，管家嚼碎再喂粮。 想着稍后阅读的论文，最后却变成了永不阅读？ 长篇大论的学术论文，有翻译却也抓不住重点？ 文献阅读被以下问题困扰？ 痛点一：文章太多，读不过来。即便让AI辅助阅读，却还要一篇一篇的发给AI，效率低下。 痛点二：读完就忘，需要反复重新阅读。 辛辛苦苦读完一篇，两天后就忘了，想回忆又得从头看起，浪费时间。 痛点三：文章太长，即使有翻译插件，也难以抓住重点，读下一页忘上一页。 别慌！您的专属AI管家 Zotero AI Butler 已闪亮登场！ TA 是您7x24小时待命、不知疲倦且绝对忠诚的私人管家。 您只管像往常一样把文献丢进 Zotero，剩下的体力活全交给TA！ 管家会自动帮您精读论文，将文章揉碎了总结为笔记，让您“十分钟完全了解”这篇论文！…
read the full zotero-AI-Butler overview →
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Frequently asked questions
Is Khoj or zotero-AI-Butler more popular?
Khoj has 37,991 GitHub stars and zotero-AI-Butler has 1,864. Khoj has the larger community by that measure.
Are Khoj and zotero-AI-Butler free?
Both are open source. Khoj is licensed under AGPL-3.0 and zotero-AI-Butler under AGPL-3.0. Neither carries a licence fee.
What is the difference between Khoj and zotero-AI-Butler?
Khoj is written in Python and zotero-AI-Butler in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Khoj or zotero-AI-Butler?
Choose Khoj if you want the larger community (37,991 stars) or its AGPL-3.0 licence terms. Choose zotero-AI-Butler if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.