Chatbot UI vs 
Kotaemon
Chatbot UI vs Kotaemon compared for 2026 — features, license, ease of use, performance and which one to choose. Clean open ChatGPT clone with files and profiles vs Clean open UI to chat with documents.
Updated regularly · curated by olud.ai
Chatbot UI vs Kotaemon at a glance
| Spec | Chatbot UI | Kotaemon |
|---|---|---|
| Category | Self-hosted chat UI | Self-hosted chat UI |
| Type | Web chat UI | RAG chat UI |
| License | MIT | Apache-2.0 |
| Runs locally | Yes | Self-hosted |
| Primary language | TypeScript | Python |
| Ease of use | Intermediate | Beginner |
| Best for | teams wanting a familiar ChatGPT feel they control | teams wanting a ready-made document QA UI |
| GitHub stars | — | 25.6k |
How Chatbot UI and Kotaemon score
| Criterion | Chatbot UI | Kotaemon |
|---|---|---|
| Popularity | n/a | 3.5 |
| Maintenance | n/a | 5.0 |
| Ease of use | 3.5 | 5.0 |
| Privacy | 5.0 | 4.5 |
| License freedom | 5.0 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
Chatbot UI
Chatbot UI is a polished open-source chat interface supporting multiple providers, file uploads and per-user workspaces, backed by Supabase for auth and storage.
- Very familiar ChatGPT-style UX
- Files, folders and multi-workspace support
- Self-host with Supabase, bring any model key
Kotaemon
Kotaemon is a clean, open-source RAG interface for chatting with your documents, with citations, multi-user support and a customizable pipeline for developers.
- Answers with inline citations and previews
- Both end-user UI and developer framework
- Gradio-based, easy to theme and extend
Key differences
Chatbot UI is web chat UI, while Kotaemon is rAG chat UI. Their licenses differ (MIT vs Apache-2.0), which matters if you ship a commercial product. Chatbot UI leans more intermediate-friendly, whereas Kotaemon is more suited to beginner users. They also differ in how they run (Yes vs Self-hosted). In short, Chatbot UI fits teams wanting a familiar ChatGPT feel they control, and Kotaemon fits teams wanting a ready-made document QA UI.
Which should you choose?
Choose Chatbot UI for teams wanting a familiar ChatGPT feel they control. Choose Kotaemon for teams wanting a ready-made document QA UI.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is Chatbot UI or Kotaemon easier to use?
Kotaemon is generally the easier of the two to get started with, while Chatbot UI rewards more setup with more control.
Are Chatbot UI and Kotaemon free?
Chatbot UI is free and open source (MIT), and Kotaemon is free and open source (Apache-2.0). Neither charges for the core software.
Can I run Chatbot UI and Kotaemon locally?
Chatbot UI: yes · Kotaemon: self-hosted. Both can be used without sending your data to a third-party cloud where their setup allows.
Chatbot UI vs Kotaemon — which should I pick in 2026?
Choose Chatbot UI for teams wanting a familiar ChatGPT feel they control. Choose Kotaemon for teams wanting a ready-made document QA UI.
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