Locust vs BlazeMeter

Locust8.8Visit BlazeMeter8.1Visit

Higher score Locust #7 in Performance Testing Software 8.8/10 Free plan Free plan✓ 5 of 5 features Visit Locust

vs

BlazeMeter #12 in Performance Testing Software 8.1/10 Free plan Free plan✓ 5 of 5 features Visit BlazeMeter

• Locust fits best

  Python teams building flexible open-source tests

• BlazeMeter fits best

  Organizations wanting a broad hybrid platform

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Locust 8.8/10 Visit ↗	BlazeMeter 8.1/10 Visit ↗
At a glance
Editor score	8.8	8.1
Ranking	#7 in Performance Testing Software	#12 in Performance Testing Software
Best for	Python teams building flexible open-source tests	Organizations wanting a broad hybrid platform
Pricing model	Free	Free plan + paid
Starting price	Free plan	$99/mo
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud, Browser extension, Self-hosted
Platforms	Web, Windows, macOS, Linux	Web, Chrome extension
Features Locust 5/5 · BlazeMeter 5/5
Load testing	✓	✓
Stress testing	✓	✓
Browser-based testing	✓	✓
Distributed load	✓	✓
API testing	✓	✓
Specs
Deployment model	Hybrid	Hybrid
Max virtual users	Not checked yet	1000 users
Our review
Pros	Define test scenarios in regular Python code Run real-time, headless, or distributed tests Extend workloads with protocols, clients, and integrations	Public-cloud and private-location execution supports hybrid testing needs. Supports JMeter, Taurus, k6, Playwright, and Gatling workflows. CI/CD gates, dashboards, monitoring, and AI-assisted analysis in one platform.
Cons	Self-hosted deployment places operations on your team Browser testing uses documented Playwright or Selenium extensions Core HTTP/HTTPS coverage may require extensions for other protocols	Free Starter caps tests at 50 virtual users and 10 tests per month. The Free Starter plan allows one shared load generator. The $99 entry price requires annual billing.
Our verdict	Locust is an open-source performance and load testing tool for developers and test engineers who want to define simulated behavior in Python. It supports load, stress, browser, distributed-load, and API testing across web, Windows, macOS,… Read the review →	For development, QA, and DevOps teams, BlazeMeter combines load, browser-based, API, and continuous performance testing in a hybrid platform. It supports web applications, mobile backends, APIs, microservices, and distributed systems, with… Read the review →

Strengths and trade-offs

• Locust — where it wins

  • Define test scenarios in regular Python code
  • Run real-time, headless, or distributed tests
  • Extend workloads with protocols, clients, and integrations

  Where it doesn't

  • Self-hosted deployment places operations on your team
  • Browser testing uses documented Playwright or Selenium extensions
  • Core HTTP/HTTPS coverage may require extensions for other protocols

• BlazeMeter — where it wins

  • Public-cloud and private-location execution supports hybrid testing needs.
  • Supports JMeter, Taurus, k6, Playwright, and Gatling workflows.
  • CI/CD gates, dashboards, monitoring, and AI-assisted analysis in one platform.

  Where it doesn't

  • Free Starter caps tests at 50 virtual users and 10 tests per month.
  • The Free Starter plan allows one shared load generator.
  • The $99 entry price requires annual billing.

• Locust8.8/10 · Free plan

  A flexible Python-based load testing tool for teams that want self-hosted control.

  Visit LocustFull verdict →
• BlazeMeter8.1/10 · Free plan

  A broad hybrid platform for load, browser, API, and distributed performance testing.

  Visit BlazeMeterFull verdict →