BlazeMeter vs k6 Open Source comparison

Perforce and k6 are both solutions in the Load Testing Tools category. Perforce is ranked #4 with an average rating of 7.9, while k6 is ranked #7 with an average rating of 7.5. Perforce holds a 10.1% mindshare in LTT, compared to k6’s 3.9% mindshare. Additionally, 94% of Perforce users are willing to recommend the solution, compared to 100% of k6 users who would recommend it.

BlazeMeter

Read 49 BlazeMeter reviews

4,392 Views
3,733 Comparison Views

94% willing to recommend

k6 Open Source

Read 2 k6 Open Source reviews

786 Views
613 Comparison Views

100% willing to recommend

BlazeMeter

k6 Open Source

Comparison Buyer's Guide

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Executive SummaryUpdated on Jan 6, 2025

BlazeMeter and k6 Open Source are competing performance testing tools. k6 Open Source holds the upper hand for developers due to its focus on developer efficiency, while BlazeMeter offers better integration and support for enterprise solutions.

Features: BlazeMeter provides comprehensive testing capabilities with seamless integration into various CI/CD pipelines, extensive script customization, and API testing. k6 Open Source emphasizes scripting flexibility using JavaScript, enabling straightforward integration and minimal setup requirements. While BlazeMeter offers a wide range of tools, k6 Open Source caters to agile development environments through its focus on developer usability.

Ease of Deployment and Customer Service: BlazeMeter supports a cloud-based deployment model, making scaling simple and ensuring constant updates. Its customer service is responsive, aiding smoother adoption. k6 Open Source allows self-hosted deployments, giving developers control and flexibility but requiring more technical knowledge. BlazeMeter ensures an easier onboarding process, while k6 Open Source provides autonomy with a potentially steeper learning curve.

Pricing and ROI: BlazeMeter's pricing serves enterprise needs, providing significant ROI for large organizations with its comprehensive features and scalable infrastructure. k6 Open Source has no initial setup costs, making it attractive for startups or individual developers, offering immediate ROI through low-to-zero expenditure. While BlazeMeter supports expansive use cases, k6 Open Source proves cost-effective and agile for smaller teams.

To learn more, read our detailed BlazeMeter vs. k6 Open Source Report (Updated: September 2025).

Buyer's Guide

BlazeMeter vs. k6 Open Source

September 2025

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

BlazeMeter

Ranking in Load Testing Tools

4th

Average Rating

8.2

Reviews Sentiment

6.9

Number of Reviews

Ranking in other categories

Performance Testing Tools (2nd), Functional Testing Tools (10th), API Testing Tools (7th), Test Automation Tools (5th)

k6 Open Source

Ranking in Load Testing Tools

7th

Average Rating

7.6

Reviews Sentiment

7.9

Number of Reviews

Ranking in other categories

Regression Testing Tools (9th)

Mindshare comparison

As of September 2025, in the Load Testing Tools category, the mindshare of BlazeMeter is 10.1%, down from 16.8% compared to the previous year. The mindshare of k6 Open Source is 3.9%, up from 2.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Load Testing Tools Market Share Distribution
Product	Market Share (%)
BlazeMeter	10.1%
k6 Open Source	3.9%
Other	86.0%

Load Testing Tools

Featured Reviews

Manoj Raghavendra

Director at SMKR Consultancy LLP

Provides global load simulations without managing infrastructure and offers built-in reporting features

BlazeMeter should improve or make available some features out of the box that JMeter requires customization for. The licensing cost is also a concern since BlazeMeter is not free like JMeter, which limits its use. Additionally, if there is no host in preferred locations such as some Asian or Middle Eastern countries, it might not be convenient to use BlazeMeter.

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NalinGoonawardana

Principal Consultant ( Test automation - Performance testing) at TTC Global (TTC) at TTC at a tech services company with 51-200 employees

Offers good scalability and has the ability to integrate with various systems and services

One area where k6 could improve is by introducing a GUI similar to JMeter. While k6 is a powerful tool for performance testing, it leans heavily towards coding. Having a GUI, even if it is a low-code approach, could make it more accessible to a broader audience. It would be beneficial to strike a balance where basic tasks can be performed graphically through a user-friendly interface, while still allowing the flexibility for more complex operations through code, similar to how JMeter operates. This could enhance the user experience and make k6 more approachable for those who may not be as comfortable with scripting.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"BlazeMeter can be used for both API and performance testing, it is a multi-facility tool."

"It is a stable solution. When we compare BlazeMeter with other tools in the market, I can say that the solution's overall performance has also been very good in our company."

"The most valuable aspect of BlazeMeter is its user-friendly nature, ability to conduct distributed load testing and comprehensive analysis and reporting features. It particularly excels in providing a clear and organized view of load test results."

"BlazeMeter has allowed us to simplify and speed up our load testing process."

"They have good support documentation and when we have contacted them, they helped to guide us."

"Using cloud-based load generators is highly valuable to us, as we can test from outside our network and increase load generation without having to upscale our hardware as much. The cloud load generator is there when we need it and is the feature we leverage the most."

"The baseline comparison in BlazeMeter is very easy, especially considering the different tests that users can easily compare."

"One thing that we are doing a lot with the solution, and it's very good, is orchestrating a lot of JMeter agents. This feature has helped us a lot because we can reuse other vendors' performance scripts that they have used with JMeter before."

More BlazeMeter pros

"The standout feature of k6 is its strong focus on API performance testing."

"The tool's big advantage is that it is more performance-test oriented for experienced testers who know what they are doing. In a normal working setup, performance engineers frequently work with DevOps and development teams. For these teams, k6 Open Source's syntax is much simpler and easier to understand and apply in the working process."

Cons

"BlazeMeter has room for improvement in terms of its integration with GitLab, particularly in the context of CI/CD processes. While it has multiple integrations available, the level of integration with GitLab may need further enhancements. It is known to work well with Git and Jenkins, although the extent of compatibility with GitLab is uncertain."

"My only complaint is about the technical support, where sometimes I found that they would not read into and understand the details of my question before answering it."

"In terms of improvement, I would like to have the ability to customize reports."

"The scalability features still need improvement."

"Sometimes, when we execute tests, the results calculated by BlazeMeter, specifically the response times for failed transactions, are incorrect."

"From a performance perspective, BlazeMeter needs to be improved...BlazeMeter has not found the extensions for WebSockets or Java Applet."

"BlazeMeter does not provide integration with the Aternity tool."

"The product could improve in areas such as mobile testing and the integration of AI analytics."

More BlazeMeter cons

"One area where k6 could improve is by introducing a GUI similar to JMeter."

Pricing and Cost Advice

"The solution is free and open source."

"The licensing fees are billed on a monthly basis and they cost approximately $100 for the basic plan."

"The pricing is manageable. It is not that big. Big companies won't mind the licensing costs."

"The overall product is less costly than our past solutions, so we've absolutely saved money."

"I would rate the pricing a three out of ten, where one is very cheap, and ten is very expensive."

"The product isn't cheap, but it isn't the most expensive on the market. During our proof of concept, we discovered that you get what you pay for; we found a cheaper solution we tested to be full of bugs. Therefore, we are willing to pay the higher price tag for the quality BlazeMeter offers."

"When compared with the cost of the licenses of other tools, BlazeMeter's license price is good."

"It is an averagely priced product."

More BlazeMeter pricing and cost advice

Information not available

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Top Industries

By visitors reading reviews

Financial Services Firm

19%

Computer Software Company

15%

Manufacturing Company

Retailer

Computer Software Company

18%

Financial Services Firm

Manufacturing Company

Retailer

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	18
Midsize Enterprise	9
Large Enterprise	22

No data available

Questions from the Community

How does BlazeMeter compare with Apache JMeter?

Blazemeter is a continuous testing platform that provides scriptless test automation. It unifies functional and performance testing, enabling users to monitor and test public and private APIs. We ...

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What do you like most about BlazeMeter?

It has a unique programming dashboard that is very user-friendly.

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What is your experience regarding pricing and costs for BlazeMeter?

BlazeMeter's pricing depends on the type of account used. They offer multiple account types, with cost variations based on features accessible under each account.

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What do you like most about k6 Open Source?

The standout feature of k6 is its strong focus on API performance testing.

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What needs improvement with k6 Open Source?

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What is your primary use case for k6 Open Source?

k6 Open Source is a powerful tool, especially for API-level performance testing. Its integration capabilities and ease of use make it promising for a wider audience.

See all answers

Comparisons

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Compared 43% of the time

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Compared 17% of the time

Tricentis NeoLoad vs BlazeMeter

Compared 16% of the time

OpenText Professional Performance Engineering (LoadRunner Professional) vs BlazeMeter

Compared 6% of the time

Akamai CloudTest vs BlazeMeter

Compared 4% of the time

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Compared 32% of the time

Selenium HQ vs k6 Open Source

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Apache JMeter vs k6 Open Source

Compared 12% of the time

Oracle Application Testing Suite vs k6 Open Source

Compared 8% of the time

SmartBear LoadNinja vs k6 Open Source

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Product Reports

Buyer's Guide

BlazeMeter

September 2025

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Buyer's Guide

Load Testing Tools

August 2025

Download k6 Open Source product report

Also Known As

JMeter Cloud

Load Impact

Overview

BlazeMeter ensures delivery of high-performance software by enabling DevOps teams to quickly and easily run open-source-based performance tests against any mobile app, website or API at massive scale to validate performance at every stage of software delivery.

The rapidly growing BlazeMeter community has more than 100,000 developers and includes prominent global brands such as Adobe, Atlassian, Gap, NBC Universal, Pfizer and Walmart as customers. Founded in 2011, the company is headquartered in Palo Alto, Calif., with its research and development in Tel Aviv.

Perforce

Load Impact offers three main features:

Automated testing - Integrates into your CD pipeline with CI plug-ins or opt for full control with API/SDKs.
API testing - a powerful scripting environment where you can create as simple or complex API scenarios as you need.
Web & web app testing - easily load test your website or web app. Record user scenarios using our Chrome extension or proxy recorder and configure a test with just a few clicks - no programming required.

Sample Customers

DIRECTV, GAP, MIT, NBCUniversal, Pfizer, StubHub

rackspace, salesforce.com, IBM, servicenow, Nasdaq, JWT

Buyer's Guide

BlazeMeter vs. k6 Open Source

September 2025

Free Report: BlazeMeter vs. k6 Open Source

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