Comparison

Gatling 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.

Gatling full profile →Selenium full profile →

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Gatling60

★Selenium68

Attribute comparison across 2 tools
Attribute	Gatling	SeleniumLeader
Vioscale score	60 / 100low · 49%	68 / 100high · 76%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	open_source
Price levelpricing.price_level	high	free
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	18	5
Security
Scorecardsecurity.scorecard	-	2.7
Reliability
Status pagereliability.status_page	-	✓
Adoption
Github starsadoption.github_stars	-	34,397
Package downloads weeklyadoption.package_downloads_weekly	-	13,857,103
Activity
Commits last 30dactivity.commits_last_30d	-	95
Release
Cadence daysrelease.cadence_days	-	30
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Java
Market
Availabilitymarket.availability	-	Available worldwide

Score

Vioscale score

Gatling60 / 100low · 49%

Selenium68 / 100high · 76%

Pricing

Free tier

Gatling✓

Selenium✓

Model

Gatlingfreemium

Seleniumopen_source

Price level

Gatlinghigh

Seleniumfree

Transparent

Gatling✓

Selenium✓

Integrations

Count

Gatling18

Selenium5

Security

Scorecard

Gatling–

Selenium2.7

Reliability

Status page

Gatling–

Selenium✓

Adoption

Github stars

Gatling–

Selenium34,397

Package downloads weekly

Gatling–

Selenium13,857,103

Activity

Commits last 30d

Gatling–

Selenium95

Release

Cadence days

Gatling–

Selenium30

History

Gatling–

Selenium20 items

License

Spdx

Gatling–

SeleniumApache-2.0

Language

Primary

Gatling–

SeleniumJava

Market

Availability

Gatling–

SeleniumAvailable worldwide

Capabilities

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

Capability comparison for Testing Tools
Capability	Gatling	Selenium
Core
Test types	Unit + integration + E2E	-
Browser automation	✗	✓
Built-in assertion library	✓	-
Languages	JavaScript, TypeScript, Java, Scala, Kotlin	Java, JavaScript, Python, Ruby, .NET
Isolation
Mocking / stubbing	✗	-
Techniques
Snapshot testing	✗	-
Performance
Parallel execution	✓	✓
Insight
Code coverage	✗	-
DX
Watch mode	✓	-
Ops
CI integration	✓	✓

Core

Test types

GatlingUnit + integration + E2E

Selenium-

Browser automation

Gatling✗

Selenium✓

Built-in assertion library

Gatling✓

Selenium-

Languages

GatlingJavaScript, TypeScript, Java, Scala, Kotlin

SeleniumJava, JavaScript, Python, Ruby, .NET

Isolation

Mocking / stubbing

Gatling✗

Selenium-

Techniques

Snapshot testing

Gatling✗

Selenium-

Performance

Parallel execution

Gatling✓

Selenium✓

Insight

Code coverage

Gatling✗

Selenium-

Watch mode

Gatling✓

Selenium-

Ops

CI integration

Gatling✓

Selenium✓

What each one is

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

Gatling

A performance engineering platform for automated load testing and continuous performance validation, enabling teams to embed testing into CI/CD pipelines and scale from local to distributed cloud environments.

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.

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 2026-08-13verify ↗

Selenium

Leader

Open sourceFree tier

Free and open-source (Apache 2.0 license)

as of 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Gatling	Selenium
WebPlatforms	✓	✗
macOSPlatforms	✗	✓
WindowsPlatforms	✗	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓
On-premiseDeployment	✓	✗
HybridDeployment	✓	✗

Platforms

Web

Gatling✓

Selenium✗

macOS

Gatling✗

Selenium✓

Windows

Gatling✗

Selenium✓

Linux

Gatling✗

Selenium✓

CLI

Gatling✓

Selenium✓

Deployment

Cloud / SaaS

Gatling✓

Selenium✗

Self-hosted

Gatling✓

Selenium✓

On-premise

Gatling✓

Selenium✗

Hybrid

Gatling✓

Selenium✗

Integrations

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

Gatling

18 total

Maven
Gradle
npm
sbt
Terraform
Helm
AWS CloudFormation
AWS CDK
Kubernetes
Docker
Slack
Microsoft Teams
Datadog
Dynatrace
New Relic
InfluxDB
OpenTelemetry
JMeter

Independently observed

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.