Comparison

Jest vs Locust

On the evidence we track, Jest leads this comparison with a composite score of 80/100. 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
Jest80
Locust61
Score
Vioscale score
Jest80 / 100medium · 71%
Locust61 / 100low · 43%
Pricing
Free tier
Jest
Locust
Model
Price level
Jestfree
Locustfree
Transparent
Jest
Locust
Integrations
Count
Jest6
Locust
Adoption
Dependent repos
Locust1,883
Github stars
Jest45,474
Locust28,103
Package downloads weekly
Locust
Stackoverflow questions
Jest44,000
Locust
Activity
Commits last 30d
Jest92
Locust36
Release
Cadence days
Jest17
Locust10
History
License
Spdx
JestMIT
LocustMIT
Language
Primary
Market
Content
Faq
Locust

Capabilities

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

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

What each one is

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

Jest

Leader

A testing tool for JavaScript projects that provides assertions, mocking, snapshot testing, and code coverage analysis with parallel test execution and zero-configuration defaults.

Independently observed

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

Pricing

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

Jest

Leader
Open sourceFree tier

Free and open source

as of verify ↗

Locust

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
Web
Jest
Locust
CLI
Jest
Locust
Deployment
Self-hosted
Jest
Locust

Integrations

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

Jest

Leader
6 total
  • React
  • Angular
  • Vue
  • TypeScript
  • Babel
  • Node
Independently observed

Locust

Not documented yet.

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