Audience

Safety engineers and systems engineers in automotive, aerospace, and embedded systems

About Astah System Safety

Astah System Safety is a model-based safety analysis tool for safety-critical systems, developed by Change Vision, Inc. It combines SysML modeling with STAMP/STPA hazard analysis, GSN (Goal Structuring Notation) assurance cases, ASAM SCDL, and UAF in one tool.

Safety analyses are linked to the system model, so control structures, hazards, and safety arguments stay traceable to requirements and architecture. It is used by safety engineers in automotive, aerospace, and embedded systems, including safety-case work for standards such as ISO 26262.

AI Chat Copilot works with your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service, and a local MCP server connects external AI agents to your models. Models can be exchanged through XMI and with Cameo Systems Modeler.

Astah System Safety runs on Windows and macOS. FTA and FMEA are not included. A 40-day free trial is available.

Pricing

Starting Price:
$550 per year
Free Trial:
Free Trial available.

Integrations

No integrations listed.

Ratings/Reviews

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Company Information

Change Vision, Inc.
Founded: 2006
Japan
astah.net/products/astah-system-safety/

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Product Details

Platforms Supported
Windows
Mac
On-Premises
Training
Documentation
Videos
Support
Online

Astah System Safety Frequently Asked Questions

Q: What kinds of users and organization types does Astah System Safety work with?
Q: What languages does Astah System Safety support in their product?
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Q: Does Astah System Safety offer a free trial?
Q: How much does Astah System Safety cost?

Astah System Safety Product Features