Behat vs CucumberStudio

Behat is free, open-source software for writing executable specifications in plain language on Linux. It is the PHP implementation of Cucumber and runs Gherkin feature files. Those files can describe complete application behavior and be exercised through browser automation, HTTP API calls, shell commands, databases, filesystems, or PHP code. Behat is intended to work with any PHP framework or without one. Installation uses Composer or a PHAR executable, both running with PHP. An extension system can expand or replace nearly any part of the tool, with extensions covering framework integrations, browser automation, test reporting, and data fixtures. Behat does not provide its own assertion tool, so an external assertion library is needed. It supports current PHP and third-party dependency versions; Symfony 8 support begins with Behat 4.0. Each major version receives security fixes for 24 months after the next major release.

CucumberStudio has no write-up on Specifiction yet; its figures are above.