Comparison

Mocha vs Selenium

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.
Mocha63
★Selenium72
Score
vioscaleAI score
Mocha63 / 100low · 43%
Selenium72 / 100high · 76%
Pricing
Free tier
Mocha✓
Selenium✓
Model
Price level
Mochafree
Seleniumfree
Transparent
Mocha✓
Selenium✓
Integrations
Count
Mocha–
Selenium5
Reliability
Status page
Mocha–
Selenium✓
Adoption
Dependent repos
Mocha683,562
Selenium98,124
Github stars
Mocha22,897
Selenium34,541
Package downloads weekly
Mocha–
Selenium6,935,447
Activity
Commits last 30d
Mocha39
Selenium100
Release
Cadence days
Mocha5
Selenium30
History
Selenium20 items
License
Spdx
MochaMIT
SeleniumApache-2.0
Language
Primary
SeleniumJava
Market
Availability
Mocha–
Content
Faq
Mocha4 items
Selenium6 items

Capabilities

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

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

What each one is

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

Mocha

An open-source test framework that provides a reliable way to write and execute unit, integration, and end-to-end tests for JavaScript projects running on Node.js or in web browsers.

Independently observed

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

Pricing

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

Mocha

Open source
as of verify ↗

Selenium

Leader
Open source
as of verify ↗

Platform & deployment

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

Platforms
Web
Mocha✓
Selenium✓
CLI
Mocha✓
Selenium✗
Deployment
Self-hosted
Mocha–
Selenium✓

Integrations

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

Mocha

Not documented yet.

Selenium

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

Mocha or Selenium: 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.