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Grafana k6 vs Artillery: catalog facts
Grafana k6	Artillery
Free The k6 tool itself is free and open source.	Freemium The CLI is open source; Artillery Cloud has a free sign-up with paid options.
Command line	Web, Command line
Test scenarios written in plain JavaScript Single command-line tool, also usable in Docker	Load testing and Playwright E2E testing in one toolkit Can run on your own AWS or Azure infrastructure
Requires writing scripts; no graphical test builder in the tool itself Aimed at developers rather than casual site owners	Reporting dashboard features belong to the hosted cloud service Turbo runner for Playwright is still in beta
Downloadable app	Downloadable app, Hosted service
Open source	Open source
License not stated	License: MPL-2.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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