Load testing for web applications
Visit WebsiteReviews onG2Capterra
65 reviews trackedThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Good load testing tool
Biggest con
Learning curve
TL;DR - Gatling
- Gatling is a load testing tool for measuring web application performance under stress
- It simulates thousands of users with code-based scenarios written in Scala or Java
- Free and open-source, Enterprise plans available
Pricing: Free plan available
Best for: Growing teams
4.4/5 across review platforms
What is Gatling?
Gatling runs load tests with a developer-friendly approach. Write scenarios in Scala or Kotlin, simulate thousands of users, get detailed analysis-performance testing that fits development workflows.
The DSL is expressive. The reports are thorough. The recorder captures browser sessions.
Development teams wanting load testing they can integrate into CI choose Gatling for developer-oriented performance testing.
Available on: Web
Pros & Cons
Pros
- Good load testing tool
- Scala-based DSL
- Good reporting
- Open source
- Active community
Cons
- Learning curve
- Scala knowledge needed
- Enterprise features paid
- Setup complexity
- Resource intensive
Ratings Across the Web
4.4(65 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
Load testingScala DSLSimulationReportsCI integrationOpen source
Pricing Plans
Free TrialPricing checked May 27, 2026
Most Popular
Open Source
Free
Free
- Load testing
- Scala DSL
- Reports
Enterprise
Free
Custom
- Cloud
- Real-time metrics
- Support
Reviews
4.4/5
Across 65 verified user reviews on G2, Capterra
Add your hands-on experience to help the next buyer.
Best Gatling Alternatives
Top alternatives based on features, pricing, and user needs.
Still deciding?
Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.
Explore More
Gatling FAQ
Is Gatling free?
Gatling's open source version is completely free for load testing. Enterprise plans are available for teams that need cloud execution and advanced reporting.
What is Gatling?
Gatling is a load testing tool that uses a Scala-based DSL to define test scenarios. It's designed for high performance and can simulate thousands of users hitting your application.
Gatling vs JMeter?
Gatling has a more modern architecture and better handles high loads. JMeter has a GUI and larger plugin ecosystem. Gatling is preferred for code-based, version-controlled test scenarios.
Source: gatling.io