Compare software

Karate vs Step CI: catalog facts
Karate	Step CI
Free Free and open source.	Freemium The open-source runner is free; the site also lists paid options and demos.
Command line	Command line
API testing, mocks, performance and UI automation in one tool Readable test scenarios	Tests REST, GraphQL, gRPC and SOAP in one format Imports from OpenAPI, Postman and Insomnia
Requires a Java environment Tests are written as scripts rather than built in a GUI	No graphical interface for manual requests Requires Node.js or Docker to run
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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