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Selenium vs Shortest: catalog facts
Selenium	Shortest
Free Free and open source under the Apache 2.0 licence.	Free The framework is open source under the MIT license; it uses the Anthropic Claude API.
Windows, Self-hosted, Command line	Command line
Widely used standard for browser automation Grid distributes tests across many machines and browsers	Writes end-to-end scenarios in natural language Built on Playwright
Requires writing test code Running a Grid takes setup and maintenance	Requires access to the Anthropic Claude API Installed as a development dependency in a project
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: MIT
No account needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.