Ollama
Generative Artificial Intelligence (GenAI)Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.
- Stars
- ★ 184k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT
Self-hosted alternatives to ChatGPT
Last updated · 17 options
Quick answer: Ollama has the most stars on its repository of the 17 options here (★ 184k), followed by Open-WebUI (★ 156k). Stars show popularity, not fit, so check formats, platforms and licence for your own work.
OpenAI's AI chat assistant. Here are 17 self-hosted options, most-starred first.
Open-WebUI
Generative Artificial Intelligence (GenAI)User-friendly AI Interface, supports Ollama, OpenAI API.
- Stars
- ★ 156k
- Licence
- BSD-3-Clause
- Updated
- Docker
Alternative to ChatGPT
llama.cpp
Generative Artificial Intelligence (GenAI)Fast C/C++ engine that runs open AI models on ordinary CPUs and GPUs, with a built-in chat page and OpenAI-style API
- Stars
- ★ 132k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT, OpenAI API
RAGFlow
Generative Artificial Intelligence (GenAI)Document-understanding RAG engine for chatting with large collections of files, with cited answers
- Stars
- ★ 92.5k
- Licence
- Apache-2.0
- Updated
- Docker
Alternative to ChatGPT
NextChat
Generative Artificial Intelligence (GenAI)Lightweight, fast chat interface for OpenAI, Claude, Gemini and local models
- Stars
- ★ 88.9k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT
LobeHub
Generative Artificial Intelligence (GenAI)Modern design AI chat framework supporting multiple AI providers, one click install MCP Marketplace and Artifacts / Thinking.
- Stars
- ★ 83.3k
- Licence
- Proprietary
- Updated
- Docker
Alternative to ChatGPT
PrivateGPT
Generative Artificial Intelligence (GenAI)Ask questions about your own documents with everything running privately
- Stars
- ★ 57.6k
- Licence
- Apache-2.0
- Updated
- Docker
Alternative to ChatGPT
text-generation-webui
Generative Artificial Intelligence (GenAI)Browser interface for running local language models with many back-ends and fine-grained controls
- Stars
- ★ 47.7k
- Licence
- AGPL-3.0
- Updated
Alternative to ChatGPT
LibreChat
Generative Artificial Intelligence (GenAI)Enhanced ChatGPT-compatible AI chat interface supporting multiple AI providers, with multi-user auth, message search, and plugin support.
- Stars
- ★ 46k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT
Jan
Generative Artificial Intelligence (GenAI)Open-source desktop ChatGPT alternative that runs models fully offline
- Stars
- ★ 45k
- Licence
- Apache-2.0
- Updated
Alternative to ChatGPT
Khoj
Generative Artificial Intelligence (GenAI)Self-hostable AI second brain that answers from your notes, documents and the web
- Stars
- ★ 37.7k
- Licence
- AGPL-3.0
- Updated
- Docker
Alternative to ChatGPT, Perplexity
Onyx
Generative Artificial Intelligence (GenAI)Team AI assistant and search across your company's apps and documents
- Stars
- ★ 32.6k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT
llamafile
Generative Artificial Intelligence (GenAI)Mozilla project that packs an AI model and its runner into a single file you can run anywhere
- Stars
- ★ 26.4k
- Licence
- Apache-2.0
- Updated
Alternative to ChatGPT
K
Kotaemon
Generative Artificial Intelligence (GenAI)Clean web app for chatting with your documents, with in-document citations
- Stars
- ★ 25.8k
- Licence
- Apache-2.0
- Updated
- Docker
Alternative to ChatGPT
KoboldCpp
Generative Artificial Intelligence (GenAI)Single-file local AI runner with a built-in story-writing and chat interface
- Stars
- ★ 12k
- Licence
- AGPL-3.0
- Updated
- Docker
Alternative to ChatGPT
Hugging Face Chat UI
Generative Artificial Intelligence (GenAI)The open-source code behind HuggingChat, for running your own chat site on any OpenAI-compatible model
- Stars
- ★ 11k
- Licence
- Apache-2.0
- Updated
- Docker
Alternative to ChatGPT
big-AGI
Generative Artificial Intelligence (GenAI)Advanced AI chat workspace that can ask several models at once and merge their answers
- Stars
- ★ 7.2k
- Licence
- MIT
- Updated
- Docker
Alternative to ChatGPT
No tools match these filters. Suggest one.
The ARM filter only shows apps whose own docs say they run on ARM or a Raspberry Pi. Others may work too.
FAQ
Is there a self-hosted alternative to ChatGPT?
Yes. SelfHostAlts lists 17 options: Ollama, Open-WebUI, llama.cpp, RAGFlow, NextChat, LobeHub, PrivateGPT, text-generation-webui, LibreChat, Jan, Khoj, Onyx, llamafile, Kotaemon, KoboldCpp, Hugging Face Chat UI and big-AGI.
Which ChatGPT alternatives are open source?
Ollama (MIT), Open-WebUI (BSD-3-Clause), llama.cpp (MIT), RAGFlow (Apache-2.0), NextChat (MIT), PrivateGPT (Apache-2.0), text-generation-webui (AGPL-3.0), LibreChat (MIT), Jan (Apache-2.0), Khoj (AGPL-3.0), Onyx (MIT), llamafile (Apache-2.0), Kotaemon (Apache-2.0), KoboldCpp (AGPL-3.0), Hugging Face Chat UI (Apache-2.0) and big-AGI (MIT). The others are free or freemium but not open source.
Which ChatGPT alternatives can run with Docker?
Ollama, Open-WebUI, llama.cpp, RAGFlow, NextChat, LobeHub, PrivateGPT, LibreChat, Khoj, Onyx, Kotaemon, KoboldCpp, Hugging Face Chat UI and big-AGI. The others listed here aren't listed for Docker.
Related categories: Generative Artificial Intelligence (GenAI)
Self-hosted apps are rarely drop-in replacements. Check the import options, mobile apps and requirements before you move your data, and keep backups.