Open WebUI
Self-hosted AI interface — Ollama, OpenAI-compatible, RAG built-in.
BSD-3-Clause alternative to ChatGPT with multi-model support, code execution, file upload, and RBAC. Single Docker command to deploy.
LobeChat
Open-source AI chat — plugin ecosystem, multi-model, voice chat.
Apache-2.0 alternative to ChatGPT with GPT-4, Claude, Gemini, and Ollama support. Material Design UI, DALL-E/Flux image generation, and TTS/STT.
AnythingLLM
All-in-one AI app — chat with documents using any LLM, fully private.
MIT-licensed platform for multi-LLM document chat, AI agents, and multi-user workspaces. Desktop apps for Mac, Windows, Linux with LanceDB, Chroma, or Qdrant backends.
Cherry Studio
Multi-model AI desktop client — local-first privacy, native apps.
AGPL-3.0 desktop client for GPT-4, Claude, Gemini, DeepSeek, and Ollama. Beautiful native UI with conversation management and model comparison.
Jan
Offline AI assistant — run LLMs locally, no data leaves your machine.
Apache-2.0 desktop app for Llama, Mistral, Gemma models in GGUF format. Native Mac, Windows, Linux with conversation history and code highlighting.
Compare LM Studio alternatives
| Tool | Stars | Forks | License | Self-hosted |
|---|---|---|---|---|
| Open WebUI | 139.6K | 20K | BSD-3-Clause | Yes |
| LobeChat | 78.1K | 15.4K | Apache-2.0 | Yes |
| AnythingLLM | 60.9K | 6.6K | MIT | Yes |
| Cherry Studio | 46.7K | 4.4K | AGPL-3.0 | Yes |
| Jan | 42.8K | 2.9K | Apache-2.0 | Yes |
LM Studio is a free but closed-source desktop app for downloading and running LLMs locally. It's popular for its polished interface, but the app itself isn't open source, so you can't inspect, modify, or self-host a customized version of it.
Fully open-source alternatives give you the same local-model experience with an inspectable, modifiable codebase. All of these still require enough local compute (RAM, and ideally a GPU) to run larger models at usable speed — the tradeoff is the same as LM Studio, just with an open codebase.
FAQ
Is there a fully open-source alternative to LM Studio?
Yes. Open WebUI, Jan, AnythingLLM, and Cherry Studio are all open source, unlike LM Studio's closed-source app.
What's the best open-source alternative to LM Studio?
Open WebUI is the most flexible general-purpose pick. Jan is the better choice if fully offline operation is the priority.
Do these alternatives require the same hardware as LM Studio?
Yes, roughly. Running local LLMs well still requires sufficient RAM and ideally a GPU regardless of which interface you use — the open-source alternatives don't change the underlying hardware requirements.
What are the top open-source alternatives to LM Studio?
Browse all open-source alternatives to LM Studio above, or explore the full AI & LLM category for more options.