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IBM Rational System Architect vs Serverless comparison

 

Comparison Buyer's Guide

Executive Summary

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 Rational System Architect
Ranking in Enterprise Architecture Management
18th
Average Rating
7.4
Number of Reviews
5
Ranking in other categories
No ranking in other categories
Serverless
Ranking in Enterprise Architecture Management
15th
Average Rating
7.6
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Enterprise Architecture Management category, the mindshare of IBM Rational System Architect is 2.1%, up from 1.8% compared to the previous year. The mindshare of Serverless is 0.1%. It is calculated based on PeerSpot user engagement data.
Enterprise Architecture Management Market Share Distribution
ProductMarket Share (%)
Serverless0.1%
IBM Rational System Architect2.1%
Other97.8%
Enterprise Architecture Management
 

Featured Reviews

GM
IT/Business Architect at a financial services firm with 51-200 employees
Lots of valuable features, especially the metamodel customization
In terms of what could be improved, we did not take the whole package with all the modules, and I think that the integration with other platforms like Office could be better. The reverse engineering of the database is already there, but in the next release I would like to see some pilot supplied with the solution in order to address any database.
TC
Sr. IT Engineer at Best Western
Server management headaches have disappeared and deployment of APIs is now fully automated
My advice to others looking into using Serverless is that you don't need to worry about the server maintenance, the servers, and where you host the servers. All these headaches go away. Definitely it's good to use. All the headaches that we have been doing for all these years can be gotten rid of, definitely. This has been a great initiative taken by AWS. Previously, we thought that we cannot host our applications without any server, but AWS proves us wrong by creating a Serverless application, the option to deploy our applications without any server. This is a really great initiative done by AWS. I rate this solution an eight out of ten.
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Top Industries

By visitors reading reviews
Manufacturing Company
12%
Financial Services Firm
12%
Government
11%
Comms Service Provider
7%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

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What is your experience regarding pricing and costs for Serverless?
My experience with pricing, setup cost, and licensing is that some of these are done by my solutions architect and I will not have enough information about that in my current role as a product mana...
What needs improvement with Serverless?
I struggled with wanting to put breakpoints throughout the code and then use the debugger. At the time, I was not able to step through the code with breakpoints, so if Serverless had that support, ...
What is your primary use case for Serverless?
Our main use case for Serverless is to build Serverless APIs, and the complete back-end is built with Serverless. A specific example of an API or back-end workflow built using Serverless is a parts...
 

Also Known As

Rational System Architect
No data available
 

Overview

 

Sample Customers

Wuxi Lake Cloud, Nationwide, ETI, IDS Scheer
Information Not Available
Find out what your peers are saying about IBM Rational System Architect vs. Serverless and other solutions. Updated: January 2026.
881,082 professionals have used our research since 2012.