Comparison

Selenium vs TestNG

On the evidence we track, Selenium leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Selenium72
TestNG55
Score
vioscaleAI score
Selenium72 / 100high · 76%
TestNG55 / 100low · 41%
Pricing
Free tier
Selenium✓
TestNG✓
Model
Price level
Seleniumfree
TestNGfree
Transparent
Selenium✓
TestNG–
Integrations
Count
Selenium5
TestNG4
Reliability
Status page
Selenium✓
TestNG✓
Adoption
Dependent repos
Selenium98,124
TestNG112,338
Github stars
Selenium34,541
TestNG2,061
Package downloads weekly
Selenium6,935,447
TestNG–
Activity
Commits last 30d
Selenium100
TestNG100
Release
Cadence days
Selenium30
TestNG103
History
Selenium20 items
TestNG12 items
License
Spdx
SeleniumApache-2.0
Language
Primary
SeleniumJava
TestNGJava
Market
Availability
Content
Faq
Selenium6 items
TestNG6 items

Capabilities

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

Core
Test types
SeleniumUnit + integration + E2E
TestNG-
Browser automation
Selenium✓
TestNG✗
Built-in assertion library
Selenium-
TestNG✓
Languages
SeleniumJava, JavaScript, Python, Ruby, .NET
TestNGJava
Isolation
Mocking / stubbing
Selenium-
TestNG-
Techniques
Snapshot testing
Selenium-
TestNG-
Performance
Parallel execution
Selenium✓
TestNG✓
Insight
Code coverage
Selenium-
TestNG-
DX
Watch mode
Selenium-
TestNG-
Ops
CI integration
Selenium✓
TestNG✓

What each one is

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

Selenium

Leader

Selenium is an open-source testing framework that automates web browsers for testing applications and automating web-based administration tasks across multiple programming languages.

Independently observed

TestNG

An open-source testing framework that provides utilities and tools for Java developers to write and execute automated tests

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 source
as of verify ↗

TestNG

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✓
TestNG✗
CLI
Selenium✗
TestNG✓
Deployment
Self-hosted
Selenium✓
TestNG✓

Integrations

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

Selenium

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

TestNG

4 total
  • Eclipse
  • IntelliJ
  • Maven
  • Gradle
Independently observed
Still deciding?

Selenium or TestNG: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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