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What is IBM Rational Performance Tester?

IBM® Rational® Performance Tester equips software testing teams to implement tests more frequently and at earlier stages within a DevOps environment. It evaluates the scalability of web and server applications, identifies the root causes of performance issues, and simplifies the load testing process. By enabling quick execution of performance evaluations, it helps teams understand the impact of application load on overall performance. This tool focuses on validating scalability rather than complicating the testing experience with a cumbersome interface. It effectively integrates essential protocol data and remote system metrics while also allowing the incorporation of custom Java code. Through the use of open standards and by promoting shared experiences, it encourages collaboration among team members throughout the project. Moreover, IBM Rational Performance Tester on Cloud enables extensive performance testing across global distributions. It provides real-time performance and throughput reports, offering immediate insights into potential performance challenges at any point during the testing lifecycle. Consequently, teams can take proactive measures to resolve issues and optimize application performance, ensuring a smoother user experience overall. This comprehensive approach not only aids in identifying bottlenecks but also empowers teams to deliver higher-quality software more efficiently.

What is Gatling?

Gatling is a comprehensive performance testing platform designed to help companies move faster while maintaining system resilience under extreme load. It enables engineering teams to simulate realistic traffic patterns—everything from modest API calls to tens of millions of concurrent users. The platform supports code-based scripting, no-code test creation, and Postman imports, making it accessible to both developers and QA teams. Gatling’s advanced analytics suite provides deep visibility into response times, throughput, latency, resource usage, and performance regressions. Teams can compare historical runs, build automated performance gates, and integrate results directly into their monitoring and observability tools. With global testing zones and the ability to run tests on your own cloud or servers, Gatling offers unmatched flexibility in how load is generated. The platform fosters strong collaboration by centralizing assets, scripts, configurations, and reports in one shared workspace. It also supports large enterprise performance strategies by streamlining infrastructure management and providing automated scaling. Gatling reduces the manual burden of performance engineering so teams can focus on stability, innovation, and shipping software faster. For organizations preparing for unpredictable surges or rapid growth, Gatling becomes a mission-critical part of their reliability stack.

Media

Media

Integrations Supported

Bamboo
Dynatrace
Gatling Studio
GenRocket
Gradle
Grafana Cloud
IBM Tivoli Monitoring
Jenkins
Klaros-Testmanagement
Maven
Perfana
Postman
Testable
vStellar

Integrations Supported

Bamboo
Dynatrace
Gatling Studio
GenRocket
Gradle
Grafana Cloud
IBM Tivoli Monitoring
Jenkins
Klaros-Testmanagement
Maven
Perfana
Postman
Testable
vStellar

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

€69/month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

IBM

Date Founded

1911

Company Location

United States

Company Website

www.ibm.com/products/ibm-rational-performance-tester

Company Facts

Organization Name

Gatling

Date Founded

2015

Company Location

France

Company Website

gatling.io

Categories and Features

Load Testing

API Load Testing
Database Load Testing
Load Test Performance Reporting
Mail Load Testing
Multilocation Load Testing
Multiple Protocol Support
Test Script Customization
Web Application Testing

Performance Testing

API Testing
Benchmarking
Cross Browser Testing
Debugging
Historical Reporting
Load Testing
Mobile Testing
Parallel Testing
Regression Testing
UI Testing
Web Testing

Software Testing

Automated Testing
Black-Box Testing
Dynamic Testing
Issue Tracking
Manual Testing
Quality Assurance Planning
Reporting / Analytics
Static Testing
Test Case Management
Variable Testing Methods
White-Box Testing

Categories and Features

Load Testing

API Load Testing
Database Load Testing
Load Test Performance Reporting
Mail Load Testing
Multilocation Load Testing
Multiple Protocol Support
Test Script Customization
Web Application Testing

Performance Testing

API Testing
Benchmarking
Cross Browser Testing
Debugging
Historical Reporting
Load Testing
Mobile Testing
Parallel Testing
Regression Testing
UI Testing
Web Testing

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