Comparison

k6 vs Selenium

On the evidence we track, Selenium leads this comparison with a composite score of 68/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
k647
Selenium68
Score
Vioscale score
k647 / 100medium · 73%
Selenium68 / 100high · 76%
Pricing
Free tier
k6
Selenium
Model
Price level
k6low
Seleniumfree
Transparent
k6
Selenium
Integrations
Count
k66
Selenium5
Security
Scorecard
k6
Selenium2.7
Reliability
Status page
k6
Selenium
Adoption
Github stars
k6
Selenium34,397
Package downloads weekly
k6
Selenium13,857,103
Activity
Commits last 30d
k6
Selenium95
Release
Cadence days
k6
Selenium30
History
k6
Selenium20 items
License
Spdx
k6
SeleniumApache-2.0
Language
Primary
k6
SeleniumJava
Market
Availability
k6

Capabilities

Feature-by-feature on the axes that matter for testing tools. “-” means undocumented, not absent.

Core
Test types
k6-
Selenium-
Browser automation
k6
Selenium
Built-in assertion library
k6
Selenium-
Languages
k6JavaScript
SeleniumJava, JavaScript, Python, Ruby, .NET
Isolation
Mocking / stubbing
k6-
Selenium-
Techniques
Snapshot testing
k6-
Selenium-
Performance
Parallel execution
k6
Selenium
Insight
Code coverage
k6-
Selenium-
DX
Watch mode
k6-
Selenium-
Ops
CI integration
k6
Selenium

What each one is

The product in its own terms, so the numbers below have context.

k6

Open source and SaaS load testing platform for engineering teams. Supports load testing, end-to-end web testing, synthetic monitoring, fault injection testing, infrastructure testing, and regression testing.

Independently observed

Selenium

Leader

Open-source tool that automates web browsers to enable automated testing of web applications, regression testing, and automation of repetitive web-based administrative tasks. Includes WebDriver for robust test automation, IDE for record-and-playback scripting, and Grid for distributed test execution.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

k6

HybridFree tier

Open source (free) and cloud-based SaaS (pricing not detailed)

as of verify ↗

Selenium

Leader
Open sourceFree tier

Free and open-source (Apache 2.0 license)

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
k6
Selenium
macOS
k6
Selenium
Windows
k6
Selenium
Linux
k6
Selenium
CLI
k6
Selenium
Deployment
Cloud / SaaS
k6
Selenium
Self-hosted
k6
Selenium
Hybrid
k6
Selenium

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

k6

6 total
  • Postman
  • New Relic
  • Visual Studio
  • Grafana
  • IntelliJ IDEA
  • Datadog
Independently observed

Selenium

Leader
5 total
  • Chrome
  • Firefox
  • Edge
  • Appium
  • Chrome for Testing (CfT)
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.