Gatling vs Locust: Which Should You Choose in 2026?
Choosing between Gatling and Locust comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Gatling
Load testing for web applications
Best for you if:
- 0
- • 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
Locust
Open-source load testing tool
Best for you if:
- 0
- • Locust is an open-source load testing tool written in Python
- • It simulates millions of users with code-based test scenarios
| At a Glance | ||
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | API Tools | API Tools |
Rating | - | - |
| Feature | Gatling | Locust |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | API ToolsTesting & QA | API ToolsTesting & QA |
How Gatling and Locust Compare
Gatling
Load testing for web applications
Free tier available
Locust
Open-source load testing tool
Free tier available
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Gatling
Want the highest-rated option?
Neither has user reviews yet.
Go with: Gatling
Value user reviews?
Neither has user reviews yet.
Go with: Gatling
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are api tools tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Gatling
- 0
- Free tier available
- Our pick for this comparison
Locust
The Bottom Line
Gatling is our pick.
Frequently Asked Questions
Is Gatling or Locust better?
Gatling is rated high in our evaluation. Both are freemium.
What are Gatling and Locust used for?
Gatling: Load testing for web applications. Locust: Open-source load testing tool.
What does Gatling cost vs Locust?
Gatling is freemium (free tier + paid plans). Locust is freemium (free tier + paid plans). Visit their websites for detailed pricing.

