Flood.io vs Locust: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Flood.io and Locust side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Flood.io
Cloud-based load testing for performance and scalability validation.
Best for you if:
- • You want eliminates the need for managing test infrastructure
Locust
Load test with Python code, scale easily
Best for you if:
- • You want python load testing
| At a Glance | Flood.io | Locust |
|---|---|---|
Starts at | Free plan | Free plan |
Category | Testing & QA DevOps | Testing & QA Developer Tools |
Rating | n/a | 4.3/5 G2 4.3 10 reviews |
Free plan | Yes | Yes |
Choose Flood.io or Locust?
Choose Flood.io if
- You want eliminates the need for managing test infrastructure
- You want supports widely used open-source testing tools
Choose Locust if
- You want python load testing
- You want easy to write tests
In-Depth Analysis
Flood.io
Cloud-based load testing for performance and scalability validation.
Strengths
- Pro: Eliminates the need for managing test infrastructure
- Pro: Supports widely used open-source testing tools
- Pro: Provides comprehensive real-time and historical reporting
- Pro: Enables testing from multiple global locations
- Pro: Scalable to handle very high user loads
Weaknesses
- Con: Requires familiarity with underlying testing tools (JMeter, Gatling, etc.)
- Con: Can become costly for very high-volume or long-duration tests on paid tiers
Key features
Locust
Load test with Python code, scale easily
Locust is an excellent free load testing tool.
Strengths
- Pro: Python load testing
- Pro: Easy to write tests
- Pro: Good UI
- Pro: Open source
- Pro: Distributed testing
Weaknesses
- Con: Python knowledge needed
- Con: Resource intensive
- Con: Limited protocol support
- Con: Reporting basic
- Con: Alternatives exist
Key features
Plans and prices: Flood.io vs Locust
| Tool | Plans and prices | Source |
|---|---|---|
| Flood.io | No plan prices on file | flood.io |
| Locust |
| locust.io read Sep 30, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Flood.io pricing and Locust pricing.
Key Takeaways
Flood.io
- Choose if you want cloud-based load testing for performance and scalability validation
Locust
- Choose if you want load test with Python code, scale easily
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Locust has a published user rating (4.3/5 from 10 reviews); Flood.io has none we can show.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Flood.io and Locust compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Locust has a published user rating (4.3/5 from 10 reviews); Flood.io has none we can show. Both have a free plan.
What are Flood.io and Locust used for?
Flood.io: Cloud-based load testing for performance and scalability validation. Locust: Load test with Python code, scale easily.
What does Flood.io cost vs Locust?
Flood.io has no public paid-plan price on file. Locust has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Sep 30, 2026.
What's the main difference between Flood.io and Locust?
Flood.io's main strength: eliminates the need for managing test infrastructure. Locust's main strength: python load testing.