vioscaleAI
Comparison

Locust vs TestCafe

No clear leader: TestCafe (61.0) and Locust (57.0) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Locust full profile →TestCafe full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Locust57
TestCafe61
Score
vioscaleAI score
Locust57 / 100low · 49%
TestCafe61 / 100high · 79%
Pricing
Free tier
Locust✓
TestCafe✓
Model
Locustcommercial
TestCafeopen_source
Price level
Locustfree
TestCafefree
Transparent
Locust✓
TestCafe✓
Integrations
Count
Locust4
TestCafe3
Security
Scorecard
Locust6.3
TestCafe5.8
Vulnerabilities
Adoption
Dependent repos
Locust1,883
TestCafe4,018
Github stars
Locust28,210
TestCafe9,895
Package downloads weekly
Locust–
TestCafe170,522
Activity
Commits last 30d
Locust53
TestCafe7
Release
Cadence days
Locust13
TestCafe20
History
Locust20 items
TestCafe20 items
License
Spdx
LocustMIT
TestCafeMIT
Language
Primary
LocustPython
TestCafeJavaScript
Content
Faq
Locust5 items
TestCafe5 items

Capabilities

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

Core
Test types
Locust-
TestCafeUnit + integration + E2E
Browser automation
Locust✓
TestCafe✓
Built-in assertion library
Locust-
TestCafe✓
Languages
LocustPython
TestCafeJavaScript, TypeScript
Isolation
Mocking / stubbing
Locust-
TestCafe-
Techniques
Snapshot testing
Locust-
TestCafe-
Performance
Parallel execution
Locust✓
TestCafe✓
Insight
Code coverage
Locust-
TestCafe-
DX
Watch mode
Locust-
TestCafe✓
Ops
CI integration
Locust✓
TestCafe✓

What each one is

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

Locust

An open-source framework for writing performance tests as regular Python code, supporting distributed testing across multiple machines with real-time progress monitoring and the ability to test HTTP and other protocols.

Independently observed

TestCafe

TestCafe is a free, open-source testing framework for automating end-to-end web application tests. It supports JavaScript and TypeScript, includes automatic waiting for page loads and elements, provides assertions and smart actions, and enables parallel 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 ↗

TestCafe

from $20/moSubscriptionFree tier60-day trial

From $20/month for individuals. Free tier available (open-source framework). 60-day free trial on paid plans.

  • Personal$20/month, first 60 days free
    • Detailed test run log
    • Flaky test detection
    • Test parallelization
    • Screenshot & video storage
    • Community support only
  • Team$50/month, first 60 days free
    • Everything in Personal tier
    • Complementary TestCafe Studio licenses
    • Dedicated support
    • Analytics (coming soon)
    • Advanced debugging (coming soon)
    • +1 more
  • EnterpriseContact sales
    • Everything in Team tier
    • Self-hosted solution (coming soon)
    • SSO (coming soon)
    • Enterprise features (coming soon)
as of verify ↗

Platform & deployment

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

Platforms
Web
Locust✓
TestCafe✗
macOS
Locust✗
TestCafe✓
Windows
Locust✗
TestCafe✓
Linux
Locust✗
TestCafe✓
CLI
Locust✓
TestCafe✓
Deployment
Cloud / SaaS
Locust✗
TestCafe✓
Self-hosted
Locust✓
TestCafe✓

Integrations

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

Locust

4 total
  • Azure Load Testing
  • Azure DevOps
  • GitHub
  • VS Code
Independently observed

TestCafe

4 total
  • AppVeyor
  • CrossBrowserTesting
  • Testingbot
  • BrowserStack
Independently observed
Still deciding?

Locust or TestCafe: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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