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Head-to-head · Software Testing Tools

Selenium vs Grafana k6

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Selenium #2 in Software Testing Tools 9.2/10 Free plan Free plan✓ 0 of 4 features Visit Selenium
Grafana k6 #6 in Software Testing Tools 8.8/10 Free plan · 14-day trial Free planFree trial✓ 1 of 4 features Visit Grafana k6

Selenium leads on 0 checks, Grafana k6 on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSelenium · 9.2/10
  • Free planboth
  • Free trialonly Grafana k6
  • Most featuresGrafana k6 · 1 of 4

Selenium scores higher on our rubric for software testing tools: 9.2 against 8.8 out of 10; our editors rank them #2 and #6.

Selenium is the better fit for teams needing a broad browser automation ecosystem. Grafana k6 is the better fit for teams building scriptable load tests.

  • Selenium fits best

    Teams needing a broad browser automation ecosystem

  • Grafana k6 fits best

    Teams building scriptable load tests

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Side by side

Feature Selenium 9.2/10 Visit ↗ Grafana k6 8.8/10 Visit ↗
At a glance
Editor score 9.2 8.8
Ranking #2 in Software Testing Tools #6 in Software Testing Tools
Best for Teams needing a broad browser automation ecosystem Teams building scriptable load tests
Pricing model Free Free plan + paid
Starting price Free plan $19/mo
Free plan ✓ ✓
Free trial — 14 days
Deployment Self-hosted, Browser extension Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux, Chrome extension Web, Windows, macOS, Linux
Support Community, Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Selenium 0/4 · Grafana k6 1/4
API testing Not checked yet ✓ (best)
Performance testing Not checked yet Not checked yet
Mobile testing Not checked yet Not checked yet
Test management Not checked yet Not checked yet
Specs
Deployment model Not checked yet Hybrid
Parallel runs Not checked yet Not checked yet
Our review
Pros
  • WebDriver bindings support coded browser automation across languages.
  • Selenium Grid distributes execution across machines, browsers, and operating systems.
  • Selenium Manager automates driver and browser management.
  • Write tests in JavaScript or TypeScript for HTTP, APIs, and browsers.
  • Run stress, smoke, soak, and breakpoint workloads locally or across Kubernetes.
  • Automate CI/CD checks with thresholds and SLO-based pass/fail criteria.
Cons
  • Code-first authoring may not suit teams seeking a visual-first workflow.
  • Grid distribution requires teams to manage their own execution environment.
  • Support is centered on community resources and documentation.
  • The Pro plan adds usage-based virtual user hour charges to its monthly fee.
  • Free plan support is community-based.
  • Enterprise deployment flexibility and premium support are reserved for Enterprise.
Our verdict

Selenium is an open-source browser automation project for people building coded web tests and automating browser-based tasks. Its core is WebDriver, a language-neutral interface with bindings for multiple programming languages. Selenium…

Read the review →

Grafana k6 is an open-source load and performance testing tool for developers, SREs, and QA teams. It uses JavaScript or TypeScript scripts to model HTTP and API workloads, and also supports browser-based testing with k6 browser. Teams can…

Read the review →
  1. SeleniumSoftware Testing Tools 9.2Free plan
  2. Grafana k6Software Testing Tools 8.8Free plan · 14-day trial

Strengths and trade-offs

  • Selenium — where it wins

    • WebDriver bindings support coded browser automation across languages.
    • Selenium Grid distributes execution across machines, browsers, and operating systems.
    • Selenium Manager automates driver and browser management.

    Where it doesn't

    • Code-first authoring may not suit teams seeking a visual-first workflow.
    • Grid distribution requires teams to manage their own execution environment.
    • Support is centered on community resources and documentation.

  • Grafana k6 — where it wins

    • Write tests in JavaScript or TypeScript for HTTP, APIs, and browsers.
    • Run stress, smoke, soak, and breakpoint workloads locally or across Kubernetes.
    • Automate CI/CD checks with thresholds and SLO-based pass/fail criteria.

    Where it doesn't

    • The Pro plan adds usage-based virtual user hour charges to its monthly fee.
    • Free plan support is community-based.
    • Enterprise deployment flexibility and premium support are reserved for Enterprise.

More comparisons

All software testing tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update