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Grafana k6 vs Apache JMeter: catalog facts
Grafana k6	Apache JMeter
Free The k6 tool itself is free and open source.	Free Free and open source from the Apache Software Foundation.
Command line	Windows, macOS, Linux, Command line
Test scenarios written in plain JavaScript Single command-line tool, also usable in Docker	Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines
Requires writing scripts; no graphical test builder in the tool itself Aimed at developers rather than casual site owners	Requires a Java runtime Test plans take time to learn for newcomers
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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