k6 ☆
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Description:
Modern load testing tool, using Go and JavaScript
Type: Formula  |  Latest Version: 1.4.2@0  |  Tracked Since: Nov 10, 2025
Links: Homepage  |  @k6_io  |  formulae.brew.sh
Category: Developer tools
Tags: load-testing performance testing devops javascript
Install: brew install k6
About:
k6 is an open-source load testing tool designed for testing the performance of APIs, microservices, and websites. It uses Go for high performance and JavaScript for writing test scripts, allowing developers to define complex load scenarios. Its developer-centric approach integrates easily into CI/CD pipelines for automated performance testing.
Key Features:
  • Scriptable in JavaScript (ES6)
  • High performance with low resource usage
  • CLI-based with a modern UI
  • Extensible via extensions
  • CI/CD friendly
Use Cases:
  • Load testing APIs and microservices
  • Spike testing to simulate traffic surges
  • Automated performance testing in CI/CD pipelines
Alternatives:
  • Apache JMeter – k6 is scriptable in JS and generally more resource-efficient, whereas JMeter uses a GUI-centric approach and XML configuration.
  • Locust – Locust uses Python for scripting, while k6 uses JavaScript and is built on Go for higher concurrency and performance.
Version History
Detected Version Rev Change Commit
Dec 25, 2025 7:57pm 1.4.2 0 VERSION_BUMP 56e4a70b
Nov 10, 2025 11:09am 0 VERSION_BUMP f0e1a2f5
Oct 10, 2025 1:09am 0 VERSION_BUMP 0fc91dfb
Sep 23, 2025 11:31am 0 VERSION_BUMP ab3adb0e
Sep 23, 2025 11:03am 0 VERSION_BUMP f60437b3
Sep 12, 2025 3:14pm 0 VERSION_BUMP 6123f7e9
Nov 19, 2024 12:01am 0 VERSION_BUMP 1c43c653
Nov 11, 2024 3:38pm 0 VERSION_BUMP 48f21784
Sep 30, 2024 1:52pm 0 VERSION_BUMP 952378ec
Sep 30, 2024 12:43pm 0 VERSION_BUMP 6335263e
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