# onUI vs Steel Browser — Fit & Features

Canonical: https://trutool.co/compare/onui-vs-steel-browser
Author: Snehil (https://trutool.co/authors/snehil)

Compare onUI and Steel Browser by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### onUI
Annotate/Draw any web UI for AI agents and export structured context, no app code changes required.
Best fit: People and teams evaluating ai agents for a specific workflow.
- Core product workflow
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read onUI profile](https://trutool.co/tools/onui): Read onUI profile

### Steel Browser
🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.
Best fit: People and teams evaluating ai agents for a specific workflow.
- Workflow automation
Before you choose: Test a representative task, inspect outputs, and confirm integrations, permissions, data handling, licensing, and current costs.
Pricing: https://github.com/pricing
- [Read Steel Browser profile](https://trutool.co/tools/steel-browser): Read Steel Browser profile