Open WebUI
ActiveFeature-rich self-hosted chat UI for Ollama and OpenAI-compatible APIs.
- ★ 156k
- ⟳ Oct 16, 2026
- Custom / conditional
- RAM: n/a
- Cost: n/a
Private ChatGPT-style chat
A self-hosted chat interface for your team, connected to cloud APIs or local models.
Quick answer
We track 4 self-hostable private chatgpt-style chat apps: Open WebUI, LobeHub (LobeChat), LibreChat, Jan. Most GitHub stars: Open WebUI (156k). Lowest official hardware: LibreChat (minimum 1 vCPU · 1 GB RAM (recommended 2 GB RAM)), from about €6.49/month on our reference server.
Last updated
Private ChatGPT-style chat: side-by-side
| App | License | Official hardware | Est. server cost | GitHub stars | Status |
|---|---|---|---|---|---|
| Open WebUI | Open WebUI License (BSD-3-Clause style with branding clause) (Custom / conditional) | Not published | Not estimated (no official RAM figure) | 156k | Active |
| LobeHub (LobeChat) | LobeHub Community License (Apache-2.0 with conditions) (Custom / conditional) | minimum 2 vCPU · 4 GB RAM · 20 GB disk (recommended 4 vCPU · 8 GB RAM · 50 GB disk) | from €19.99/mo | 83.4k | Active |
| LibreChat | MIT (Permissive) | minimum 1 vCPU · 1 GB RAM (recommended 2 GB RAM) | from €6.49/mo | 46.1k | Active |
| Jan | Apache-2.0 (Permissive) | minimum 8 GB RAM · 10 GB disk (recommended 16 GB RAM) | No server (desktop app) | 45.0k | Active |
All private chatgpt-style chat apps
LobeHub (LobeChat)
ActivePolished multi-model chat and agent workspace with plugins and knowledge bases.
- ★ 83.4k
- ⟳ Oct 22, 2026
- Custom / conditional
- min 4 GB RAM
- from €19.99/mo
LibreChat
ActiveMulti-provider ChatGPT-style interface with agents, file search and user management.
- ★ 46.1k
- ⟳ Oct 22, 2026
- Permissive
- min 1 GB RAM
- from €6.49/mo
Jan
ActiveOffline desktop ChatGPT alternative that runs models on each employee's computer.
- ★ 45.0k
- ⟳ Oct 21, 2026
- Permissive
- min 8 GB RAM
- Desktop app