Comparison

Gatling vs Jest

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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Gatling57
★Jest80
Score
vioscaleAI score
Gatling57 / 100high · 76%
Jest80 / 100medium · 69%
Pricing
Free tier
Gatling✓
Jest✓
Model
Price level
Gatlinghigh
Jestfree
Starting price
Gatling€89
Jest–
Transparent
Gatling✓
Jest–
Integrations
Count
Gatling24
Jest7
Adoption
Dependent repos
Gatling–
Github stars
Gatling–
Jest45,478
Package downloads weekly
Gatling–
Stackoverflow questions
Gatling–
Jest44,000
Activity
Commits last 30d
Gatling–
Jest71
Release
Cadence days
Gatling–
Jest13
History
Gatling–
License
Spdx
Gatling–
JestMIT
Language
Primary
Gatling–
Content
Faq
Gatling6 items

Capabilities

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

Core
Test types
GatlingUnit + integration + E2E
JestUnit
Browser automation
Gatling✓
Jest✗
Built-in assertion library
Gatling✓
Jest✓
Languages
GatlingJavaScript, TypeScript, Java, Scala, Kotlin
JestJavaScript, TypeScript
Isolation
Mocking / stubbing
Gatling✓
Jest✓
Techniques
Snapshot testing
Gatling✗
Jest✓
Performance
Parallel execution
Gatling✓
Jest✓
Insight
Code coverage
Gatling✗
Jest✓
DX
Watch mode
Gatling✓
Jest✓
Ops
CI integration
Gatling✓
Jest✓

What each one is

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

Gatling

A load testing platform that enables teams to simulate concurrent traffic against applications to measure performance under stress. Supports multiple protocols, integrates with CI/CD pipelines, and provides real-time dashboards and analysis to catch performance regressions early.

Independently observed

Jest

Leader

Jest is a testing tool designed to work automatically with most JavaScript projects, providing features like test snapshots and watch mode for interactive test-driven development.

Independently observed

Pricing

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

Gatling

from €89/moSubscriptionFree tier

From €89/month. Free tier available.

  • Basic€89/month billed annually (€1,068/year)
    • Up to 60,000 VUs
    • 1 hour of testing
    • 1 Load Generator
    • 2 Seats
    • Community support
  • Team€356/month billed annually (€4,272/year)
    • Up to 180,000 VUs
    • 5 hours of testing
    • 3 Load Generators
    • 10 Seats
    • Distributed testing
    • +1 more
  • EnterpriseContact sales
    • Custom limit of VUs
    • Custom limit of hours
    • Custom Load Generators
    • Custom Seats
    • All features & integrations
    • +1 more
as of verify ↗

Jest

Leader
Open sourceFree tier

Free and open source

as of verify ↗

Platform & deployment

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

Platforms
Web
Gatling✓
Jest✗
CLI
Gatling✓
Jest✓
Deployment
Cloud / SaaS
Gatling✓
Jest–
Self-hosted
Gatling✓
Jest–
Hybrid
Gatling✓
Jest–

Integrations

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

Gatling

35 total
  • Maven
  • Gradle
  • npm
  • sbt
  • Terraform
  • Helm
  • AWS CloudFormation
  • AWS CDK
  • Kubernetes
  • Docker
  • Slack
  • Microsoft Teams
  • Datadog
  • Dynatrace
  • New Relic
  • InfluxDB
  • OpenTelemetry
  • JMeter
  • Jira
  • Postman
  • Jira Cloud
  • GitHub
  • Circle CI
  • Azure DevOps
  • +11 more
Independently observed

Jest

Leader
10 total
  • React
  • Angular
  • Vue
  • TypeScript
  • Babel
  • Node
  • React Native
  • webpack
  • Vite
  • Parcel
Independently observed
Still deciding?

Gatling or Jest: 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.