Comparison

Locust vs pytest

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
Locust61
pytest73
Score
Vioscale score
Locust61 / 100low · 43%
pytest73 / 100medium · 67%
Pricing
Free tier
Locust
pytest
Model
Price level
Locustfree
pytestfree
Transparent
Locust
pytest
Adoption
Dependent repos
Locust1,883
pytest283,154
Github stars
Locust28,103
pytest14,444
Package downloads weekly
Locust
Stackoverflow questions
Locust
pytest30,000
Activity
Commits last 30d
Locust36
pytest100
Release
Cadence days
Locust10
pytest46
History
Locust20 items
pytest20 items
License
Spdx
LocustMIT
pytestMIT
Language
Primary
LocustPython
pytestPython
Market
Availability
Locust
Content
Faq
Locust
pytest8 items

Capabilities

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

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

What each one is

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

Locust

A Python-based tool for performance testing that simulates thousands of concurrent users to stress-test web applications. Tests are written as plain Python code and can run distributed across multiple machines.

Independently observed

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

Pricing

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

Locust

Open sourceFree tier
as of verify ↗

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 ↗

Platform & deployment

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

Platforms
CLI
Locust
pytest
Deployment
Self-hosted
Locust
pytest

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