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Locust vs BlazeMeter: catalog facts
Locust	BlazeMeter
Free Free and open source; paid support is available separately from Locust.cloud.	Paid Commercial service with published pricing plans.
Windows, macOS, Linux, Command line	Web
Test scenarios written as ordinary Python code Distributed runs across multiple machines	Runs JMeter load tests at scale in the cloud Combines load, API and functional testing
Requires writing Python to define tests Documentation is focused mainly on HTTP testing	Aimed at businesses rather than individuals Hosted service only
Downloadable app	Hosted service
Open source	Closed source
License not stated	License not stated
No account needed	Account needed
Works offline	Needs internet
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.