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Remember it felt empty when you first logged in into Open WebUI? Let’s fix that!

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Back To The Chat Interface

Click on the button marked with the red rectangle to open the sidebar.

That button is permanently fixed to the left side of the screen. You can click on it to open or close the sidebar anytime you’d like.
Now that the sidebar is open, let’s click on the New Chat button to start a new chat.

Start a new chat by clicking on the area marked with the red rectangle.

Now on the model selector just on the right of the sidebar, you have plenty of models to choose from. For now, let’s choose gpt-4.1.

Click on the model selector and search then select gpt-4.1 from the list.

There’s a tiny Set as default button under the model selector. If you click on it, the model you selected will be set as the default model for all new chats.

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Chatting With a Model

Let’s test the intelligence of our newly selected model, I’m going to ask it a very difficult question:
Now hit Enter! Congrats! You have just started your first chat with Open WebUI. You can now start chatting with the AI model and ask it anything you want.

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Multi Modality

As mentioned before, Open WebUI is a multi-modality application. Let’s test that out now by using the image generated by it before and ask it what it is.

Download this image by right click on it and save it to your machine.

Drag and drop the image into the chat window and your input field will look like this:
Let’s ask it what that image is with this prompt:
Now hit Enter! Congrats! You have just awarded yourself with the Multi Modal badge! (Just kidding, there is no such thing as a badge in Open WebUI yet. But you can brag about it!)