Comparison

Selenium vs WebdriverIO

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
Selenium68
WebdriverIO33
Score
Vioscale score
Selenium68 / 100high · 76%
WebdriverIO33 / 100low · 40%
Pricing
Free tier
Selenium
WebdriverIO
Model
Seleniumopen_source
WebdriverIOcommercial
Price level
Seleniumfree
WebdriverIOfree
Transparent
Selenium
WebdriverIO
Integrations
Count
Selenium5
WebdriverIO14
Security
Scorecard
Selenium2.7
WebdriverIO
Reliability
Status page
Selenium
WebdriverIO
Adoption
Github stars
Selenium34,397
WebdriverIO6
Package downloads weekly
Selenium13,857,103
WebdriverIO
Activity
Commits last 30d
Selenium95
WebdriverIO0
Release
Cadence days
Selenium30
WebdriverIO
History
Selenium20 items
WebdriverIO
License
Spdx
SeleniumApache-2.0
WebdriverIOMIT
Language
Primary
SeleniumJava
WebdriverIOTypeScript
Market
Availability
WebdriverIO

Capabilities

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

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

What each one is

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

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

WebdriverIO

A test automation framework supporting e2e, unit, and component testing using WebDriver, WebDriver BiDi, and Appium automation technology.

Independently observed

Pricing

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

Selenium

Leader
Open sourceFree tier

Free and open-source (Apache 2.0 license)

as of verify ↗

WebdriverIO

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
Selenium
WebdriverIO
macOS
Selenium
WebdriverIO
Windows
Selenium
WebdriverIO
Linux
Selenium
WebdriverIO
CLI
Selenium
WebdriverIO
Deployment
Self-hosted
Selenium
WebdriverIO

Integrations

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

In common (1)
  • Appium

Selenium

Leader
5 total - 4 not shared
  • Chrome
  • Firefox
  • Edge
  • Chrome for Testing (CfT)
Independently observed

WebdriverIO

14 total - 13 not shared
  • Sauce Labs
  • BrowserStack
  • TestingBot
  • TestMu AI
  • WebDriver
  • WebDriver BiDi
  • Allure
  • JUnit
  • Spec Reporter
  • Dot Reporter
  • SumoLogic
  • Concise Reporter
  • Lighthouse
Independently observed

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