Open WebUI vs OpenAI Tool Search

A side-by-side comparison to help you choose the right tool.

Open WebUI scores higher overall (86/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Open-source software; hosting and infrastructure are your responsibility.
Free plan
Yes
Best for
Teams wanting a self-hosted chat UI quickly, Users running local models through Ollama or APIs, Admins who want a friendlier front end for model access
Platforms
web, linux, mac, windows
API
Yes
Languages
en
Pricing
Included within supported OpenAI API workflows and priced through the underlying model/tool usage.
Free plan
No
Best for
Developers building agents with many available tools, Teams trying to reduce brittle tool selection logic, Experiments in more autonomous agent orchestration
Platforms
api
API
Yes
Languages
en

Choose Open WebUI if:

  • You are Teams wanting a self-hosted chat UI quickly
  • You are Users running local models through Ollama or APIs
  • You are Admins who want a friendlier front end for model access
  • You want to start free
Read Open WebUI review →

Choose OpenAI Tool Search if:

  • You are Developers building agents with many available tools
  • You are Teams trying to reduce brittle tool selection logic
  • You are Experiments in more autonomous agent orchestration
Read OpenAI Tool Search review →

FAQ

What is the difference between Open WebUI and OpenAI Tool Search?
Open WebUI is an open-source web interface for using local or remote models with features like rag, admin controls, and multi-model access. OpenAI Tool Search is a built-in openai capability for helping models find and select relevant tools more reliably inside agent workflows.
Which is cheaper, Open WebUI or OpenAI Tool Search?
Open WebUI: Open-source software; hosting and infrastructure are your responsibility.. OpenAI Tool Search: Included within supported OpenAI API workflows and priced through the underlying model/tool usage.. Open WebUI has a free plan.
Who is Open WebUI best for?
Open WebUI is best for Teams wanting a self-hosted chat UI quickly, Users running local models through Ollama or APIs, Admins who want a friendlier front end for model access.
Who is OpenAI Tool Search best for?
OpenAI Tool Search is best for Developers building agents with many available tools, Teams trying to reduce brittle tool selection logic, Experiments in more autonomous agent orchestration.