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Compare anything, side by side
Pick up to 4 performance & load and we'll lay out their specifications side by side. Apples to apples only — once you pick the first item, the picker locks to its category so you don't end up comparing Selenium with OWASP Top 10.
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Apache JMeter
Apache Foundation
Open Source
Free Tier
Self-Hosted
Open-source load & performance testing tool.
Visit website ↗
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Gatling
Gatling Corp
Open Source
Commercial
Free Tier
Self-Hosted
Scala-based high-performance load testing tool.
Visit website ↗Side-by-side
Specification comparison
Schema: Tools. Missing values are marked "Not available yet" — those are next on our research list.
Rating key:
Positive / Free / Fast
Limited / Moderate
Difficult / Steep
Informational
| Attribute | ||
|---|---|---|
| Pricing | Free |
OSS
free; Gatling Enterprise from ~$600/mo
|
| Free tier / OSS |
100%
open source
|
Open Source
edition free
|
| License |
Apache
2.0
|
Apache
2.0 (OSS) / Commercial (Enterprise)
|
| Testing type | Performance / Load | Performance / Load |
| Languages / SDKs | Java, Groovy, BeanShell | Scala, Java, Kotlin |
| Supported platforms | Cross-platform (JVM) | Cross-platform (JVM), Docker |
| Parallel testing |
Yes
— distributed load generators
|
Yes
— injector clusters
|
| Speed |
Moderate
— JVM startup; scales with distributed setup
|
Very fast
— async, non-blocking
|
| Key integrations | Jenkins, Maven, Grafana, BlazeMeter | Jenkins, GitHub Actions, Grafana, InfluxDB |
| Learning curve | Moderate |
Moderate
(Scala DSL)
|
| Community / Support |
Very
large, long-established
|
Active;
growing rapidly
|
| Maintained by | Apache Software Foundation | Gatling Corp |
| First released | 1998 | 2012 |
| Latest version | See website | See website |
| Best suited for | Teams needing free, flexible load testing | Developer-centric high-throughput load testing |
| Official site | jmeter.apache.org ↗ | gatling.io ↗ |
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