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What is System Composer?

System Composer™ enables users to specify and assess architectures in the field of model-based systems engineering and software architecture modeling with great detail. By employing System Composer, individuals can proficiently assign requirements and refine an architectural model, which can later be designed and validated using Simulink®. Users have the option to develop architecture models with components and interfaces starting from the ground up, importing them from other applications, or using existing architectural elements found in Simulink designs. Moreover, it supports the depiction of a system through multiple architectural models, allowing for direct interconnections through model-to-model allocations. Behavioral characteristics can be effectively captured using sequence diagrams, state charts, or Simulink models, offering an extensive insight into system dynamics. In addition, users can define and simulate the execution sequence of component functions and even produce code from their software architecture models through tools such as Simulink and Embedded Coder®. This cohesive integration provides a solid framework for the efficient development of intricate systems while facilitating collaboration among engineering teams.

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

Integrations Supported

Azure OpenAI Service
Cameo Systems Modeler
Claude
Gemini
OpenAI

API Availability

API Availability

Has API

Pricing Information

$740 per year
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

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
Webinars

Training Options

Documentation Hub

Company Facts

Organization Name

MathWorks

Date Founded

1984

Company Location

United States

Company Website

www.mathworks.com/products/system-composer.html

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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