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Gatling vs Grafana k6: catalog facts
Gatling	Grafana k6
Freemium The Community Edition is free and open source; Enterprise Edition is a paid hosted service…	Free The k6 tool itself is free and open source.
Web, Command line	Command line
Open-source Community Edition you can run on your own machines Load tests are written as code and can be kept in version control	Test scenarios written in plain JavaScript Single command-line tool, also usable in Docker
Writing tests as code assumes programming experience Advanced analysis and tracing are only in the paid Enterprise Edition	Requires writing scripts; no graphical test builder in the tool itself Aimed at developers rather than casual site owners
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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