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IBM Open Liberty vs IBM WebSphere Application Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 8, 2026

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

IBM Open Liberty
Ranking in Application Server
8th
Average Rating
10.0
Reviews Sentiment
2.8
Number of Reviews
2
Ranking in other categories
No ranking in other categories
IBM WebSphere Application S...
Ranking in Application Server
5th
Average Rating
7.8
Reviews Sentiment
5.4
Number of Reviews
32
Ranking in other categories
Application Infrastructure (3rd)
 

Mindshare comparison

As of March 2026, in the Application Server category, the mindshare of IBM Open Liberty is 4.7%. The mindshare of IBM WebSphere Application Server is 8.7%, down from 12.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Server Mindshare Distribution
ProductMindshare (%)
IBM WebSphere Application Server8.7%
IBM Open Liberty4.7%
Other86.6%
Application Server
 

Featured Reviews

FABIO LUIS VELLOSO DA SILVA - PeerSpot reviewer
Partner at SouJava
Has enabled flexible deployment of modular services with high availability and smooth dynamic updates
The best features of IBM Open Liberty are the implementation of MicroProfile and Jakarta EE, along with fault tolerance and high availability. It's easy to use and deploy new features. The profile is easy to configure and set up features. For example, using fault tolerance from MicroProfile or using servlets or JAX-RS allows for easy configuration and creation of modular applications. The configuration is modular. The main point for us in this project was high availability, high performance, and the implementation of MicroProfile and Jakarta EE. We utilized the modular architecture of IBM Open Liberty by creating different microservices using different environments. We created different configurations for different services using the configuration of IBM Open Liberty. This was very beneficial. We created different environments only by changing the configuration, depending on the functionality we needed. It was good and very flexible for us. I used the dynamic updates feature of IBM Open Liberty and different configurations in different services and servers, based on the functionality we provided for our clients. The flexibility to create different services in different environments using IBM Open Liberty was important. The high availability is guaranteed by the architecture of IBM Open Liberty, Java, and MicroProfile. The architecture guaranteed high availability, and the flexibility comes from being able to configure needed features. There's no need to load all WebSphere or functionalities in all environments. I can configure it and create a more highly available and scalable process. I implemented monitoring tools for IBM Open Liberty using Grafana and OpenTracing using the functionalities from MicroProfile and IBM Open Liberty. The monitoring tools helped with managing system performance.
CF
Senior Manager, MW & DB Automation at a computer software company with 11-50 employees
Has worked seamlessly in complex clustered environments and supports long-term development efforts
IBM WebSphere Application Server is currently at version 9.0.5.23. In recent months, they released fix 23, as they periodically release fixes. Previously, they frequently increased versions, but now they maintain 9.0.5 with different releases. It's based on Java J2EE 7 and Java SDK 1.8. Oracle announced that 2030 will be the last year when Java SDK 1.8 will be supported. Oracle currently deploys Java 2.x in parallel, with the latest being version 25. The future of IBM WebSphere Application Server remains uncertain since it's based on Java 1.8 and Java 7. I haven't found any white papers or official documentation from IBM outlining their trajectory post-2030.

Quotes from Members

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

Pros

"It is a stable solution compared to other vendors."
"The flexibility to create different services in different environments using IBM Open Liberty was important."
"If you want a product you can have confidence in, and a product with good availability, then IBM WebSphere Application Server is for you."
"We needed this type of integration and WebShepere is the best tool for it."
"WebSphere Application Server's best features include the data subscription and connection viewer."
"The product offers good performance."
"The only reason why we're currently using WebSphere is that the integration of the authentication with Azure is very quick. WebSphere has something that can immediately connect with Azure Active Directory."
"The solution is very stable and robust."
"This solution is easy to use with a GUI that is intuitive and very helpful."
"IBM WebSphere Application Server is the ultimate product; there is nothing superior to IBM WebSphere Application Server, and while there are other options such as Tomcat, JBoss, and Oracle's solution, IBM WebSphere Application Server stands above them all."
 

Cons

"To improve IBM Open Liberty, more integration with Kafka and message systems, and asynchronous messaging would be beneficial."
"Its support documentation could have detailed information on database integration."
"The availability of the solution needs improvement."
"WebSphere Application Server doesn't have an automated deployment option, forcing us to use third-party tools like Jenkins UCD and Palo Automated Deployment."
"WebSphere Application Server doesn't have an automated deployment option, forcing us to use third-party tools like Jenkins UCD and Palo Automated Deployment."
"When compared with WebLogic, Weblogic is lighter and consumes less memory."
"Since we've been monitoring it directly ourselves, we've found that there has been an increase in the number of failures. The failures result in deadlock processes that generate very little to no troubleshooting logs."
"Based on the field and based on the build that was provided, we've noticed a lot of constraints in terms of the performance now."
"I find the server okay, however, using the Maker instance, the Moving instance, and the Change instance is a little bit complicated without WebSphere knowledge."
"I think IBM WebSphere Application Server is a dead solution and will probably fade out."
 

Pricing and Cost Advice

"It is less costly than one of its competitors."
"It is very expensive."
"The price of this product is higher than that of competitors."
"IBM WAS base is part of the deal when you purchase IBM FileNet P8 Content Engine."
"It costs more than some of the others, but, you get what you pay for."
"We used to pay about $100,000-$120,000 US or somewhere around there. That was a bit cost-prohibitive for us to continue."
"The pricing is a little expensive."
"When you purchase Maximo, you get WebSphere for free."
"I don't remember the price, but there are no additional costs."
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884,976 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
52%
Computer Software Company
7%
Manufacturing Company
7%
Insurance Company
6%
Financial Services Firm
32%
Computer Software Company
9%
Insurance Company
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise6
Large Enterprise23
 

Questions from the Community

What needs improvement with Open Liberty?
To improve IBM Open Liberty, more integration with Kafka and message systems, and asynchronous messaging would be beneficial. Having more integration with Kafka, Mongo, and middleware systems that ...
What is your primary use case for Open Liberty?
I used IBM Open Liberty for an application for financial services using IBM Open Liberty and MicroProfile to process data for financial services work.
What advice do you have for others considering Open Liberty?
I used IBM Open Liberty in the past in a project, but today I'm not using it anymore. I had a good experience working with it in a financial services company. This was very beneficial. My review ra...
What do you like most about IBM WebSphere Application Server?
Network Deployment is the most useful feature for scalability. It has many features within the standard WebSphere Application Server edition.
What is your experience regarding pricing and costs for IBM WebSphere Application Server?
At Royal Bank, which is a major IBM customer with mainframes and numerous IBM products, they have a specific agreement regarding pricing. The pricing structure for large enterprise customers differ...
What needs improvement with IBM WebSphere Application Server?
IBM WebSphere Application Server is currently at version 9.0.5.23. In recent months, they released fix 23, as they periodically release fixes. Previously, they frequently increased versions, but no...
 

Also Known As

No data available
WebSphere Application Server
 

Overview

 

Sample Customers

Information Not Available
TalkTalk, Property management group, E.SUN Bank, Ohio National Financial Services, Aviarc, Cincom Systems, FJA-US, D+H, Staples, Michigan Municipal League
Find out what your peers are saying about IBM Open Liberty vs. IBM WebSphere Application Server and other solutions. Updated: March 2026.
884,976 professionals have used our research since 2012.