Comparison

Selenium vs Vitest

No clear leader: Vitest (74.1) and Selenium (71.7) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Selenium72
Vitest74
Score
vioscaleAI score
Selenium72 / 100high · 76%
Vitest74 / 100medium · 70%
Pricing
Free tier
Selenium✓
Vitest✓
Model
Price level
Seleniumfree
Vitestfree
Transparent
Selenium✓
Vitest✓
Integrations
Count
Selenium5
Vitest2
Reliability
Status page
Selenium✓
Vitest–
Adoption
Dependent repos
Selenium98,124
Vitest30,558
Github stars
Selenium34,541
Vitest17,212
Package downloads weekly
Selenium6,935,447
Stackoverflow questions
Selenium–
Vitest1,200
Activity
Commits last 30d
Selenium100
Vitest100
Release
Cadence days
Selenium30
Vitest5
History
Selenium20 items
Vitest20 items
License
Spdx
SeleniumApache-2.0
VitestMIT
Language
Primary
SeleniumJava
Market
Content
Faq
Selenium6 items
Vitest8 items

Capabilities

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

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

What each one is

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

Selenium

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

Vitest

A testing framework powered by Vite, offering Jest-compatible features including snapshots, code coverage, and mocking capabilities. It provides native TypeScript and JSX support, browser-based testing, watch mode, and benchmarking.

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

Open source
as of verify ↗

Vitest

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

Integrations

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

Selenium

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

Vitest

2 total
  • Vite
  • Jest
Independently observed
Still deciding?

Selenium or Vitest: 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.