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chatbots

Open WebUI

4.7/5Free / Open Source
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A self-hosted, ChatGPT-style web interface for local and API models. Open WebUI works with Ollama and any OpenAI-compatible endpoint, adding chat history, documents (RAG), users and a polished UI — fully open source.

What is Open WebUI?

A self-hosted, ChatGPT-style web interface for local and API models. Open WebUI works with Ollama and any OpenAI-compatible endpoint, adding chat history, documents (RAG), users and a polished UI — fully open source.

Open WebUI sits in the chatbots category and is listed in the AIverse AI tools directory, where it holds an editorial rating of 4.7 out of 5 based on its capabilities, usability, value for money and reliability. It is developed by Open WebUI, founded in 2023.

Open WebUI features and use cases

People typically use Open WebUI for Private ChatGPT alternative, Team local AI chat, Chat with your documents and On-prem AI deployments.

It is often associated with Open Source, Self-hosted, Chat UI and RAG. Developers can integrate Open WebUI into their own products through its API.

Open WebUI pricing

Open WebUI is completely free (Free / Open Source). You can use it without a subscription.

As with any AI tool, the right plan depends on how heavily you use it. We recommend trying Open WebUI before committing to a paid plan.

Is Open WebUI worth it? Our bottom line

Overall, Open WebUI is an excellent choice in the chatbots category for 2026. Its standout strengths include ChatGPT-style UI you fully own and Works with Ollama and OpenAI-compatible APIs. Bear in mind Requires self-hosting/setup and Best paired with Ollama or an API. If it matches your workflow, Open WebUI is well worth a try — especially since you can start for free.

✅ Our verdict

Open WebUI is the best open-source front-end for private AI chat: pair it with Ollama and you get a polished, ChatGPT-like experience that runs entirely on your own hardware, with document chat and user management built in.

👍 Pros

  • +ChatGPT-style UI you fully own
  • +Works with Ollama and OpenAI-compatible APIs
  • +Built-in document chat (RAG)
  • +Multi-user with roles
  • +Free and open source

👎 Cons

  • −Requires self-hosting/setup
  • −Best paired with Ollama or an API
  • −No official mobile app
  • −You manage updates and backups

🎯 Use cases

Private ChatGPT alternativeTeam local AI chatChat with your documentsOn-prem AI deployments

ℹ️ Key facts

Company
Open WebUI
Founded
2023
API
Yes

Last updated: Aug 2026

4.7
Rating
22.0k
Views
Free
Pricing

🔀 Compare Open WebUI with

Open WebUIvsAnythingLLMOpen WebUIvsQuivrOpen WebUIvsOnyx (Danswer)Open WebUIvsPrivateGPTOpen WebUIvsSierra

Try Open WebUI Now

A self-hosted, ChatGPT-style web interface for local and API models. Open WebUI works with Ollama and any OpenAI-compatible endpoint, adding chat history, documents (RAG), users and a polished UI — fully open source.

Try Free ⚡ Compare Open WebUI🔁 Open WebUI Alternatives

❓ Frequently Asked Questions

Is Open WebUI free?

Yes, Open WebUI is completely free to use, with no paid plan required to access its core features.

What is Open WebUI used for?

Open WebUI is an AI chatbot tool. A self-hosted, ChatGPT-style web interface for local and API models. Open WebUI works with Ollama and any OpenAI-compatible endpoint, adding chat history, documents (RAG), users and a polished UI — fully open source. It currently holds a 4.7/5 rating on Aiverse from real users.

Is Open WebUI worth it in 2026?

Yes — Open WebUI holds a strong 4.7/5 rating on Aiverse, making it one of the top-rated chatbot tools in 2026. It's a solid pick if it matches your use case.