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wrk vs autocannon: catalog facts
wrk	autocannon
Free Free to use under the project’s modified Apache license.	Free Free and open source.
Command line	Command line
Generates substantial load from a single multicore CPU Supports custom LuaJIT scripts	Quick to run from the command line against any URL Can also be used programmatically from Node.js
Requires command-line use High connection counts require enough available ephemeral ports	Tests HTTP/1.1 only Requires Node.js to be installed
Downloadable app	Downloadable app
Not stated if open source	Open source
License: Modified Apache 2.0 License, Version 2.0.1	License: MIT
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 October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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