Open WebUI
AI Chat UIsFeature-rich self-hosted web interface for local LLMs
Replaces ChatGPT, Poe
Best API AI Chat UIs for self-hosting
The 6 best API ai chat uis you can self-host, ranked by community traction.
NextChat
AI Chat UIsLightweight, fast cross-platform AI chat application
Replaces ChatGPT
LibreChat
AI Chat UIsEnhanced ChatGPT clone supporting many AI providers
Replaces ChatGPT, Poe
big-AGI
AI Chat UIsAdvanced AI suite with personas, beams, and multi-model chat
Replaces ChatGPT
RAGApp
AI Chat UIsNo-code agentic RAG deployment in a Docker container
Replaces OpenAI Assistants
Open WebUI Pipelines
AI Chat UIsPlugin framework for extending self-hosted AI chat UIs
Replaces ChatGPT Plugins
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Open WebUI | ≈5-minute setup | Easy | 2,048 MB | BSD-3-Clause | 155,598 |
| NextChat | ≈5-minute setup | Easy | 512 MB | MIT | 88,845 |
| LibreChat | Under-an-hour setup | Medium | 2,048 MB | MIT | 45,646 |
| big-AGI | Under-an-hour setup | Easy | 1,024 MB | MIT | 7,145 |
| RAGApp | Under-an-hour setup | Easy | 1,024 MB | Apache-2.0 | 4,446 |
| Open WebUI Pipelines | Under-an-hour setup | Medium | 512 MB | MIT | 2,441 |
Quick picks
- Most adopted: Open WebUI (155,598 GitHub stars).
- Lightest footprint: NextChat (from 512 MB RAM, against 2,048 MB for the heaviest here).
- Fastest to deploy: Open WebUI (verified single-container compose).
- Licensing: 4 of 6 use MIT; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged API within the ai chat uis category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.