UI Guide

Access W&B Inference models through the web interface

  3 minute read  

Learn how to use the W&B Inference service through the web UI. Before using the UI, complete the prerequisites.

Access the Inference service

You can access the Inference service from three places:

Go to https://wandb.ai/inference.

From the Inference tab

  1. Go to your W&B account at https://wandb.ai/
  2. Select Inference from the left sidebar
  3. A page displays with available models and model information
Using an Inference model in the Playground

From the Playground tab

  1. Select Playground from the left sidebar. The Playground chat UI appears
  2. Hover over W&B Inference in the LLM dropdown list. A dropdown with available models appears on the right
  3. From the models dropdown, you can:
The Inference models dropdown in Playground

Try a model in the Playground

After selecting a model, you can test it in the Playground. Available actions include:

Compare multiple models

You can compare Inference models side by side in the Playground. Access the Compare view from two places:

From the Inference tab

  1. Select Inference from the left sidebar. The available models page appears
  2. Click anywhere on a model card (except the model name) to select it. The card border turns blue
  3. Repeat for each model you want to compare
  4. Click Compare N models in the Playground on any selected card. N shows the number of models selected
  5. The comparison view opens

Now you can compare models and use all features from Try a model in the Playground.

Select multiple models to compare in Playground

From the Playground tab

  1. Select Playground from the left sidebar. The Playground chat UI appears
  2. Hover over W&B Inference in the LLM dropdown list. The models dropdown appears on the right
  3. Select Compare from the dropdown. The Inference tab appears
  4. Click anywhere on a model card (except the model name) to select it. The card border turns blue
  5. Repeat for each model you want to compare
  6. Click Compare N models in the Playground on any selected card. The comparison view opens

Now you can compare models and use all features from Try a model in the Playground.

View billing and usage information

Organization admins can track credit balance, usage history, and upcoming bills from the W&B UI:

  1. Go to the W&B Billing page in the UI
  2. Find the Inference billing information card in the bottom right corner
  3. From here you can:
    • Click View usage to see your usage over time
    • View upcoming inference charges (for paid plans)

Next steps


Last modified August 26, 2025