Comparison

Locust vs Selenium

On the evidence we track, Selenium leads this comparison with a composite score of 68/100. 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
Selenium68
Score
Vioscale score
Locust61 / 100low · 43%
Selenium68 / 100high · 76%
Pricing
Free tier
Locust
Selenium
Model
Seleniumopen_source
Price level
Locustfree
Seleniumfree
Transparent
Locust
Selenium
Integrations
Count
Locust
Selenium5
Reliability
Status page
Locust
Selenium
Adoption
Dependent repos
Locust1,883
Selenium
Github stars
Locust28,103
Selenium34,397
Package downloads weekly
Locust
Selenium13,857,103
Activity
Commits last 30d
Locust36
Selenium95
Release
Cadence days
Locust10
Selenium30
History
Locust20 items
Selenium20 items
License
Spdx
LocustMIT
SeleniumApache-2.0
Language
Primary
LocustPython
SeleniumJava
Market
Availability
Locust

Capabilities

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

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

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

Selenium

Leader

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.

Locust

Open sourceFree tier
as of verify ↗

Selenium

Leader
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
Locust
Selenium
Windows
Locust
Selenium
Linux
Locust
Selenium
CLI
Locust
Selenium
Deployment
Self-hosted
Locust
Selenium

Integrations

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

Locust

Not documented yet.

Selenium

Leader
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.