StackShareStackShare
Follow on
StackShare

Discover and share technology stacks from companies around the world.

Follow on

© 2025 StackShare. All rights reserved.

Product

  • Stacks
  • Tools
  • Feed

Company

  • About
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  1. Stackups
  2. DevOps
  3. Load Testing
  4. Load And Performance Testing
  5. BlazeMeter vs k6

BlazeMeter vs k6

OverviewDecisionsComparisonAlternatives

Overview

BlazeMeter
BlazeMeter
Stacks68
Followers158
Votes13
k6
k6
Stacks257
Followers226
Votes56

BlazeMeter vs k6: What are the differences?

Introduction

In this article, we will compare BlazeMeter and k6, two popular performance testing tools, and highlight their key differences.

  1. Scalability: BlazeMeter is a cloud-based performance testing platform that offers high scalability. It allows you to easily generate load from various geographic locations around the world, providing a realistic simulation of user traffic. On the other hand, k6 is a developer-centric open-source tool that is suitable for smaller-scale testing. It can be easily integrated into the CI/CD pipeline and used for load testing during development.

  2. Ease of Use: BlazeMeter provides a user-friendly web interface that allows users to easily create and manage test scenarios. It offers a drag-and-drop feature for creating test scripts and provides comprehensive test reports. Conversely, k6 is a command-line tool that requires some programming knowledge to use effectively. It requires writing scripts in JavaScript and running them via the command line.

  3. Scripting Flexibility: BlazeMeter offers scripting flexibility by supporting multiple languages like Java, Python, and Ruby. It allows users to choose their preferred language for scripting tests. k6, on the other hand, is primarily focused on JavaScript scripting. It provides a built-in JavaScript API for scripting load tests, giving developers the flexibility to customize test scenarios and make complex load testing scripts.

  4. Real-Time Monitoring: BlazeMeter provides real-time monitoring and reporting capabilities during load tests. It offers various metrics like response time, throughput, error rate, and CPU/memory utilization, allowing users to analyze the performance of their applications. k6, on the other hand, lacks built-in real-time monitoring and reporting features. However, it allows you to export metrics to external tools like Grafana for further analysis.

  5. Pricing: BlazeMeter offers multiple pricing plans based on the number of virtual users, duration of tests, and additional features. It provides a pay-as-you-go option, allowing users to scale their testing needs as per requirements. k6, on the other hand, is an open-source tool and is free to use. However, additional features and support are available through commercial plans offered by Load Impact, the company behind k6.

  6. Integration with Existing Toolchains: BlazeMeter provides seamless integration with popular CI/CD tools like Jenkins and Bamboo. It allows users to automate the performance testing process as part of the development pipeline. On the other hand, k6 also offers integration with CI/CD tools through plugins, but it requires some manual configuration and setup.

In summary, BlazeMeter offers high scalability, a user-friendly interface, support for multiple scripting languages, real-time monitoring, flexible pricing options, and easy integration with existing toolchains. k6, on the other hand, is a developer-centric tool, suitable for smaller-scale testing, with a focus on JavaScript scripting, open-source availability, and the ability to export metrics for further analysis.

Share your Stack

Help developers discover the tools you use. Get visibility for your team's tech choices and contribute to the community's knowledge.

View Docs
CLI (Node.js)
or
Manual

Advice on BlazeMeter, k6

Aravinth
Aravinth

SSE

Nov 19, 2019

Needs advice

I want to do performance testing with HTTP protocol but the test script should be java script. For now, I kept "Artillery" and "K6" tools in my queue. Did you guys have any idea about this? Is there any tools which support Test script language: JavaScript Protocol: Http/web service Must Feature: Record OS: Mac os/windows

84.4k views84.4k
Comments

Detailed Comparison

BlazeMeter
BlazeMeter
k6
k6

Simulate any user scenario for webapps, websites, mobile apps or web services. 100% Apache JMeter compatible. Scalable from 1 to 1,000,000+ concurrent users.<br>

It is a developer centric open source load testing tool for testing the performance of your backend infrastructure. It’s built with Go and JavaScript to integrate well into your development workflow.

100% JMeter Compatible- Take full advantage of JMeter’s scripting capabilities or let our auto-scripting feature take care of the details.;Scalable and Realistic- Easily scale from 100 to 300,000+ concurrent users using realistic visitor behaviour and browser simulation.;Start Testing in 2 Minutes- Use up to 100 dedicated servers per test. No setup or installation required. Self-service and on-demand.;Intuitive Reporting- See test results in real time or easily compare multiple tests. All with a simple to use interface and intuitive graphs.;Pay only for what you need- Flexible pricing that accommodates hourly, monthly or annual usage. No setup or maintenance fees.<br>
Written in Go and JavaScript, built to integrate well into the modern developer workflow and automation pipelines; Primarily for load testing, it also works for functional testing of APIs and microservices with its powerful JS ES6 based scripting API; Straightforward CLI, sharing many UX aspects with the DevOps tools you already use
Statistics
Stacks
68
Stacks
257
Followers
158
Followers
226
Votes
13
Votes
56
Pros & Cons
Pros
  • 10
    I can run load tests without needing JMeter scripts.
  • 3
    Easy to prepare JMeter workers
Cons
  • 1
    UI centric
  • 1
    Costly
Pros
  • 13
    Fits nicely in a CI workflow
  • 11
    It's code-first
  • 11
    Test scripts are written in javascript
  • 11
    Open-source
  • 10
    Easy to use
Cons
  • 3
    Requires bundling and transpiling to use npm packages
Integrations
TeamCity
TeamCity
Jenkins
Jenkins
Bamboo
Bamboo
CloudBees
CloudBees
Heroku
Heroku
New Relic
New Relic
AppDynamics
AppDynamics
Amazon CloudWatch
Amazon CloudWatch
Travis CI
Travis CI
Kafka
Kafka
Linux
Linux
Grafana
Grafana
InfluxDB
InfluxDB
macOS
macOS
Datadog
Datadog
Debian
Debian
Windows
Windows
JSON
JSON

What are some alternatives to BlazeMeter, k6?

Locust

Locust

Locust is an easy-to-use, distributed, user load testing tool. Intended for load testing web sites (or other systems) and figuring out how many concurrent users a system can handle.

Gatling

Gatling

Gatling is a highly capable load testing tool. It is designed for ease of use, maintainability and high performance. Out of the box, Gatling comes with excellent support of the HTTP protocol that makes it a tool of choice for load testing any HTTP server. As the core engine is actually protocol agnostic, it is perfectly possible to implement support for other protocols. For example, Gatling currently also ships JMS support.

Loader.io

Loader.io

Loader.io is a free load testing service that allows you to stress test your web-apps/apis with thousands of concurrent connections.

Apache JMeter

Apache JMeter

It is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

RedLine13

RedLine13

It is a load testing platform that brings the low cost power of the cloud to JMeter and other open source load testing tools.

AWS Device Farm

AWS Device Farm

Run tests across a large selection of physical devices in parallel from various manufacturers with varying hardware, OS versions and form factors.

Flood IO

Flood IO

Performance testing with Flood increases customer satisfaction and confidence in your production apps and reduces business risk.

Blitz

Blitz

Build bulletproof, scalable solutions with Blitz - a simple and fun service for load testing web apps and APIs in the cloud. Blitz offers powerful yet simple capabilities including continuous monitoring, performance testing and remediation. Blitz enables you to instantly burst up to 50,000 concurrent users against your app in seconds from multiple points of presence around the world.

LoadNinja

LoadNinja

It is  a  cloud-based platform for engineers and performance professionals who load test web applications. It makes load testing simple and fast. Test your website and web apps on real browsers, in the cloud, without the need for dynamic correlation.

Artillery

Artillery

It is a modern, open-source, powerful & easy-to-use performance testing toolkit. Use it to ship scalable applications that stay performant & resilient under high load. It prioritizes developer productivity and happiness and follows the “batteries-included” philosophy.

Related Comparisons

Postman
Swagger UI

Postman vs Swagger UI

Mapbox
Google Maps

Google Maps vs Mapbox

Mapbox
Leaflet

Leaflet vs Mapbox vs OpenLayers

Twilio SendGrid
Mailgun

Mailgun vs Mandrill vs SendGrid

Runscope
Postman

Paw vs Postman vs Runscope