Text Generation WebUI
AI Chat
v4.9
TextGen is an open-source program by oobabooga that puts large language models on your own computer: a Gradio-based interface (or a bundled Electron window)…5mo agoAGPL-3.0No DockerEasy
Self-hosted alternatives to OpenAI API
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5 projects· by score
Projects
llama-gpt
AI Chat
1.0.1LlamaGPT is Umbrel's packaged local chatbot: a web chat front-end plus a llama-cpp-python model server, so a Llama 2 or Code Llama weights file answers…3y agoMITDockerModerate
Atomic Chat
AI Chat
v2.2.26Atomic Chat is a cross-platform desktop and mobile application for running large language models on personal hardware.todayNo DockerEasy
Also in AI Chat
Not listed as OpenAI API alternatives, but they cover the same ground and are worth a look.
PrivateDocBotPrivateDocBot is a self-hosted, open-source chatbot for querying PDF documents locally using LLMs like Llama 2 via Chainlit.
LibreChatSelf-hosted open-source AI chat unifying OpenAI, Anthropic, Google, Azure, AWS, and local models with agents, code interpreter, artifacts, MCP, and enterprise auth.
GPTPortalGPTPortal is a self-hosted, open-source Node.js web app providing a unified chat interface for multiple LLM providers and local endpoints like Ollama.
faster-chatFaster Chat is a self-hosted, open-source AI chat interface for local and cloud LLMs with multi-user auth, encrypted keys, web search, and a fast Preact UI.
Oriveo Community EditionA self-hosted, open-source AI chat app for mobile and web that lets you use fifteen-plus model providers with your own API keys — no account required.
SmarterRouterSelf-hosted AI gateway that automatically routes queries to the best local or cloud LLM based on prompt analysis, with VRAM management and OpenAI-compatible API.
About these OpenAI API alternatives
5 open-source, self-hosted alternatives to OpenAI API are listed here, ranked by popularity, maintenance and documentation.
- Highest rated
- Text Generation WebUI (47 724 GitHub stars, AGPL-3.0 license, written in Python), followed by llama-gpt and Atomic Chat
- Docker
- 2 of the top 5 ship an official Docker image
- Easiest to set up
- Text Generation WebUI and Atomic Chat
- Recently updated
- Atomic Chat v2.2.26 on 2026-10-28
OpenAI API alternatives compared
| Project | License | Language | Stars | Docker | Setup | Latest release | Score |
|---|---|---|---|---|---|---|---|
| Text Generation WebUI | AGPL-3.0 | Python | 47 724 | — | Easy | v4.9 | 76 |
| llama-gpt | MIT | Typescript | 10 922 | Yes | Moderate | 1.0.1 | 64 |
| Atomic Chat | Other | Typescript | 1 864 | — | Easy | v2.2.26 | 60 |
| Qwen Gate | MIT | Typescript | 206 | — | Moderate | v0.8.0 | 46 |
| Open Responses | Apache-2.0 | Go | 236 | Yes | Moderate | v0.1 | 42 |