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Tech riderRev. 30 Sept 2026

Locust

Ch 067.3of 34 Performance Testing Software
  1. 1Runs onAPI, Linux, Mac, self-hosted, Web, Windows
  2. 2CostsFree plan
  3. 3Load testingYes
  4. 4Stress testingYes
  5. 5Browser-based testingYes
  6. 6Distributed loadYes
  7. 7API testingYes
  8. 8Deployment modelhybrid
8 lines stated Written from the maker's own pages: locust.io, docs.locust.io
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The Locust homepage

Overview

Locust is ranked #6 of 34 in performance testing software on Specifiction. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan.

Locust plans and pricing

All plans
Locust Free Open source · MIT license docs.locust.io · 30 Sept 2026

Compared on performance testing software

Free plan
Yeslocust.io
Load testing
Yeslocust.io
Stress testing
Yeslocust.io
Browser-based testing
Yeslocust.io
Distributed load
Yeslocust.io
API testing
Yeslocust.io
Deployment model
hybridlocust.io

Facts

Purpose
Locust is an open-source performance and load testing tool for HTTP and other protocols.docs.locust.io · 30 Sept 2026
Test authoring
Users define test scenarios in regular Python code and can use regular Python libraries in their tests.docs.locust.io · 30 Sept 2026
Execution and reporting
Tests run from the command line or web interface, which displays throughput, response times, and errors in real time; results can also be exported for later analysis.docs.locust.io · 30 Sept 2026
Scale
Locust supports distributed tests across multiple machines and says it can support hundreds of thousands of concurrent users.docs.locust.io · 30 Sept 2026
Load adjustment
The web interface shows test progress in real time and allows load to be changed while a test is running.docs.locust.io · 30 Sept 2026
Protocol extensibility
Locust can test other systems and protocols by adding a client, and its documentation lists community extensions for protocols and reporting.docs.locust.io · 30 Sept 2026
Integrations
Optional OpenTelemetry support exports traces, metrics, and logs to compatible backends, including OTLP, Prometheus, Jaeger, and Tempo.docs.locust.io · 30 Sept 2026
OpenTelemetry limit
Automatic instrumentation currently covers the requests library, so HttpUser requests generate spans and metrics without additional configuration.docs.locust.io · 30 Sept 2026
Hosted option
Locust documentation describes hosted load testing through Azure Load Testing, with built-in reporting, Azure Application Insights integration, and CI/CD support for Azure DevOps and GitHub Actions.docs.locust.io · 30 Sept 2026
Installation
The documented installation method is pip install locust, with uvx also offered as an alternative.docs.locust.io · 30 Sept 2026
Support
The project README directs support questions to Stack Overflow and discussion to Discord, while locust.io says Locust.cloud provides dedicated commercial support.github.com · 30 Sept 2026
License
Locust is licensed under the MIT license.docs.locust.io · 30 Sept 2026

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Where it ranks on Specifiction

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