OpenText Professional Performance Engineering vs. mabl

LoadRunner is the industry-standard software solution for application performance and load testing. LoadRunner emulates hundreds or thousands of concurrent virtual users, with minimal hardware, to apply accurate workloads to any application. As it drives load against the system, LoadRunner captures end-user response times for business processes and transactions to determine whether the application can meet the required service-level agreements. Nonintrusive, real-time performance monitors captures real-time performance data from every component of application infrastructure.

mabl is the agentic testing harness that helps quality keep pace with AI-powered development. Combining specialized testing agents with deep application context, mabl continuously validates customer experiences, automates testing and maintenance, and brings trusted feedback directly into development. This enables teams to ship better software faster and with complete confidence.