Comparison

pytest vs unittest

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
unittest66
Score
Vioscale score
pytest73 / 100medium · 67%
unittest66 / 100low · 36%
Pricing
Free tier
pytest
unittest
Model
unittestcommercial
Price level
pytestfree
unittestfree
Transparent
pytest
unittest
Adoption
Dependent repos
pytest283,154
unittest111
Github stars
pytest14,444
unittest74,928
Package downloads weekly
unittest
Stackoverflow questions
pytest30,000
unittest
Activity
Commits last 30d
pytest100
unittest100
Release
Cadence days
pytest46
unittest
History
pytest20 items
unittest
License
Spdx
pytestMIT
unittest
Language
Primary
pytestPython
unittestPython
Market
Availability
unittest
Content
Faq
pytest8 items
unittest

Capabilities

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

Core
Test types
pytest-
unittestUnit
Browser automation
pytest-
unittest-
Built-in assertion library
pytest
unittest
Languages
pytestPython
unittestPython
Isolation
Mocking / stubbing
pytest-
unittest
Techniques
Snapshot testing
pytest-
unittest-
Performance
Parallel execution
pytest-
unittest-
Insight
Code coverage
pytest-
unittest-
DX
Watch mode
pytest-
unittest-
Ops
CI integration
pytest-
unittest

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

unittest

Automates unit test execution with support for setup and teardown code, test organization, and independent test management. Includes test discovery and can be integrated with continuous integration systems.

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 ↗

unittest

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
CLI
pytest
unittest
Deployment
Self-hosted
pytest
unittest

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