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Locust vs autocannon: catalog facts
Locust	autocannon
Free Free and open source; paid support is available separately from Locust.cloud.	Free Free and open source.
Windows, macOS, Linux, Command line	Command line
Test scenarios written as ordinary Python code Distributed runs across multiple machines	Quick to run from the command line against any URL Can also be used programmatically from Node.js
Requires writing Python to define tests Documentation is focused mainly on HTTP testing	Tests HTTP/1.1 only Requires Node.js to be installed
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
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 October 1, 2026

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