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What is IBM Rhapsody?

IBM® Engineering Systems Design Rhapsody® (commonly referred to as Rational Rhapsody) and its array of associated tools offer a robust methodology for modeling and systems design, aiding organizations in managing the intricacies of product and system development. As an integral part of the IBM Engineering portfolio, Rhapsody cultivates a collaborative environment for systems engineers and supports multiple modeling standards, including UML, SysML, UAF, and AUTOSAR. Furthermore, it assists in managing defense frameworks such as DoDAF, MODAF, and UPDM, while ensuring adherence to vital industry standards like DO-178, DO-178B/C, and ISO 26262. The platform's capabilities enable swift simulation and prototyping, which facilitate ongoing validation and the prompt identification of errors when they are less costly to address. By utilizing automatic consistency checks, Rhapsody not only boosts agility but also encourages reuse, leading to significant reductions in both recurring and non-recurring costs. This extensive set of tools simplifies the design process while empowering teams to innovate more effectively, ultimately transforming the way systems are developed and refined. With Rhapsody, organizations can expect to enhance their productivity and elevate the quality of their outputs.

What is Astah SysML?

Astah SysML is a desktop SysML v1 modeling application from Change Vision, Inc. for organizations adopting model-based systems engineering (MBSE). It gives engineering teams the core SysML diagrams, including requirement, block, parametric, and behavior diagrams, in a tool that new users can learn quickly. Because designs are stored as models, an update made in one place carries through to every related diagram, which keeps system documentation consistent as a project evolves. Existing models can be exchanged through XMI and with Cameo Systems Modeler. Version 11.0 includes AI Chat Copilot, which runs on your organization's own API key for OpenAI, Azure OpenAI, Claude, or Gemini, or for an OpenAI-compatible service, and local MCP server integration for connecting AI agents. Licensing is available as a 1-year license ($140) or a 1-year floating license ($270). Astah SysML runs on Windows and macOS, and a 20-day free trial is available.

Media

Media

Integrations Supported

Kovair QuickSync
LDRA Tool Suite
SodiusWillert ReqXChanger
eQube®-DaaS

Integrations Supported

Azure OpenAI Service
Cameo Systems Modeler
Claude
Gemini
OpenAI

API Availability

API Availability

Has API

Pricing Information

Pricing not provided
Free Trial Offered?

Pricing Information

$140/year
1-year license: $140. 1-year floating license: $270. 20-day free trial.
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

Windows
Mac
On-Prem

Customer Service / Support

Standard Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

IBM

Date Founded

1911

Company Location

United States

Company Website

www.ibm.com/products/systems-design-rhapsody

Company Facts

Organization Name

Change Vision, Inc.

Date Founded

2006

Company Location

Tokyo, Japan

Company Website

astah.net/products/astah-sysml/

Categories and Features

Categories and Features

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