What is Open WebUI?
Open WebUI is listed under Local LLM Runners, in the AI Models & Local Execution category on Flocci AI Tools. Self-hosted ChatGPT-style interface. It is free, with no paid plan attached, and it lives at openwebui.com.
What Open WebUI does
- Self-hosted ChatGPT-style interface
- Works with Ollama and OpenAI-compatible APIs
- RAG, tools and multi-user
- Free and open-source
Open WebUI — straight answers
Is Open WebUI free?
Open WebUI is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.
Can I use Open WebUI in a browser, or is there an app?
Open WebUI needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting and the web.
What can Open WebUI do?
Open WebUI does 4 things the catalog singles out: Self-hosted chatgpt-style interface; works with ollama and openai-compatible apis; rag, tools and multi-user; free and open-source.
What is the best free alternative to Open WebUI?
AnythingLLM is the closest free alternative: it sits in the same Local LLM Runners sub-category and is free. BitNet, exo and Google AI Edge Gallery also start free. The full list is on the alternatives page.
See the full list →Open WebUI alternatives
Compare all alternatives →Ollama
Local LLM Runners
- The default way to run LLMs locally
- One command to run Llama, Qwen, DeepSeek…
- OpenAI-compatible local API
- Free and open-source
LM Studio
Local LLM Runners
- Polished desktop GUI for local models
- Discover, download and chat with GGUF models
- Local server with OpenAI-compatible API
- Free for personal use
Jan
Local LLM Runners
- Open-source, offline ChatGPT alternative
- No-config, privacy-first GUI
- Runs fully on your device
- Free forever
GPT4All
Local LLM Runners
- Private local chat with your documents
- Runs on modest laptops
- LocalDocs RAG built in
- Free and open-source
AnythingLLM
Local LLM Runners
- All-in-one local RAG and agents app
- Chat with your docs privately
- Works with local or cloud models
- Free and open-source
llama.cpp
Local LLM Runners
- Pure C/C++ inference engine with minimal dependencies, runs on CPU-only hardware
- Powers the GGUF format used by Ollama, LM Studio and most local runners under the hood
- Broad quantization support (2-bit to 8-bit) for running large models on consumer hardware