Comparison

pytest vs Selenium

On the evidence we track, pytest leads this comparison with a composite score of 73/100. 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
pytest73
Selenium68
Score
Vioscale score
pytest73 / 100medium · 67%updating
Selenium68 / 100high · 76%updating
Pricing
Free tier
pytest
Selenium
Model
Seleniumopen_source
Price level
pytestfree
Seleniumfree
Transparent
pytest
Selenium
Integrations
Count
pytest
Selenium5
Reliability
Status page
pytest
Selenium
Adoption
Dependent repos
pytest283,154
Selenium
Github stars
pytest14,444
Selenium34,397
Package downloads weekly
Selenium13,857,103
Stackoverflow questions
pytest30,000
Selenium
Activity
Commits last 30d
pytest100
Selenium95
Release
Cadence days
pytest46
Selenium30
History
pytest20 items
Selenium20 items
License
Spdx
pytestMIT
SeleniumApache-2.0
Language
Primary
pytestPython
SeleniumJava
Market
Availability
Content
Faq
pytest8 items
Selenium

Capabilities

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

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

What each one is

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

pytest

Leader

A testing framework for Python that enables developers to write readable, straightforward test cases while scaling to handle sophisticated functional testing requirements for applications and libraries.

Independently observed

Selenium

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.

pytest

Leader
Open sourceFree tier

Free and open source. Enterprise support available via Tidelift.

  • Community (Open Source)Free
    • Detailed assertion introspection
    • Auto-discovery of test modules
    • Modular fixtures
    • unittest compatibility
    • 1300+ external plugins
  • Enterprise SupportContact sales
as of verify ↗

Selenium

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
macOS
pytest
Selenium
Windows
pytest
Selenium
Linux
pytest
Selenium
CLI
pytest
Selenium
Deployment
Self-hosted
pytest
Selenium

Integrations

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

pytest

Leader

Not documented yet.

Selenium

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.