Locust vs Artillery: Which is Better in 2026?
Choosing between Locust and Artillery 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:
Locust
Load test with Python code, scale easily
Best for you if:
- • Locust is an open-source load testing tool written in Python
- • It simulates millions of users with code-based test scenarios
Artillery
Load test your backend with realistic traffic patterns
Best for you if:
- • Artillery is a modern load testing toolkit for developers and DevOps teams
- • It runs performance tests against APIs and web apps with scenario-based scripting
| At a Glance |  Locust |  Artillery |
|---|---|---|
Starts at | Usage-based/moLocust Cloud | $99/monthPro |
Best For | Testing & QA | Testing & QA |
Rating | - | - |
Choose Locust or Artillery?
Choose Locust if
Load test with Python code, scale easily
- Python load testing
- Easy to write tests
- Good UI
Choose Artillery if
Load test your backend with realistic traffic patterns
- Good load testing
- YAML config
- Good for APIs
| Feature | Locust | Artillery |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.3/5 10 reviews | No ratings yet |
| Categories | Testing & QADeveloper Tools | Testing & QADeveloper Tools |
In-Depth Analysis
Locust
Load test with Python code, scale easily
Strengths
- +Python load testing
- +Easy to write tests
- +Good UI
- +Open source
- +Distributed testing
Weaknesses
- -Python knowledge needed
- -Resource intensive
- -Limited protocol support
- -Reporting basic
- -Alternatives exist
Key features
Artillery
Load test your backend with realistic traffic patterns
Strengths
- +Good load testing
- +YAML config
- +Good for APIs
- +Open source core
- +Cloud option
Weaknesses
- -Cloud expensive
- -Learning curve
- -Reporting basic
- -Documentation gaps
- -Less GUI
Key features
Pricing: Locust vs Artillery
| Plan | Locust | Artillery |
|---|---|---|
| Tier 1 | Free Locust (Open Source) | Free Free |
| Tier 2 | Usage-based Locust Cloud | $99 month Pro |
Pricing verified from each vendor's public pricing page. Compare in detail on Locust pricing and Artillery pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Locust
Want the highest-rated option?
Neither has user reviews yet.
Go with: Locust
Value user reviews?
Neither has user reviews yet.
Go with: Locust
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 testing & qa tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Locust
- Free tier available
- Our pick for this comparison
Artillery
- Choose if you want load test your backend with realistic traffic patterns
The Bottom Line
Locust is our pick.
Frequently Asked Questions
Is Locust or Artillery better?
Locust is rated in our evaluation. Both are freemium.
What are Locust and Artillery used for?
Locust: Load test with Python code, scale easily. Artillery: Load test your backend with realistic traffic patterns.
What does Locust cost vs Artillery?
Locust is freemium (free tier + paid plans). Artillery is freemium (free tier + paid plans). Visit their websites for detailed pricing.