Astah System Safety

Astah System Safety

Change Vision, Inc.
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About

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/D-Case assurance cases, ASAM SCDL safety concepts, 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. Safety engineers in automotive, aerospace, railway, and embedded systems use it to build safety cases for standards such as ISO 26262. AI Chat Copilot and a local MCP server require your own API key from a supported AI service (OpenAI, Claude, Gemini, or an OpenAI-compatible endpoint). SysML models can be exchanged with Cameo Systems Modeler through XMI import and export. Runs on Windows and macOS. FTA, FMEA, and simulation are not included. A 40-day free trial is available.

About

NextFMEA is a cloud-native, AI-ready platform that replaces Excel-based Design and Process FMEAs with a single, audit-ready system built for automotive supply chain quality teams. Legacy approaches - spreadsheets or older desktop FMEA tools - struggle with traceability, version control, and OEM-specific compliance, turning routine updates into audit risk. NextFMEA is preloaded with the AIAG-VDA methodology and major OEM customer-specific requirements (Ford, BMW, Stellantis, and others), so teams can be compliant immediately rather than configuring the standard from scratch. Beyond digitizing the AIAG-VDA 7-step process, NextFMEA runs on its own PSFFROD methodology - Planning, Structure Analysis, Function Analysis, Failure Analysis, Risk Analysis, Optimization, and Documentation - adding built-in prevention, continuous self-audit, and organizational learning on top of the standard framework.

Platforms Supported

Windows Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Safety and systems engineers in automotive, aerospace, railway, defense, robotics, and medical device development

Audience

Automotive

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$550 per year
Annual license: $550 per user per year. Annual floating license: $1,050 per seat per year, with a self-hosted license server required. Per-seat floating prices decrease with larger packs (for example, $9,500 for 10 seats). Monthly licenses are not available.

For universities, the Faculty Site License ($900) covers Astah System Safety, Astah SysML, and Astah Professional for all faculty and students in a department.

A 40-day free trial is available. AI features (AI Chat Copilot and the local MCP server) require your own API key from a supported AI service, and API usage is billed separately by that provider.
Free Version Not Supported
Free Trial Supported

Pricing

$41/month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported

Company Information

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

Company Information

NextFMEA
Founded: 2025
India
nextfmea.com

Alternatives

Astah SysML

Astah SysML

Change Vision, Inc.

Alternatives

AIAG-VDA FMEA

AIAG-VDA FMEA

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SysMLv2 Editor

SysMLv2 Editor

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PQ-FMEA+

PQ-FMEA+

PQ-FMEA
Cameo Systems Modeler

Cameo Systems Modeler

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DataLyzer FMEA

DataLyzer FMEA

DataLyzer International
Syndeia

Syndeia

Intercax
Relyence FMEA

Relyence FMEA

Relyence Corporation

Categories

Categories

FMEA Supported

Integrations

Cameo Systems Modeler Supported
Microsoft Excel Supported
OpenAI Supported

Integrations

Cameo Systems Modeler Not Supported
Microsoft Excel Not Supported
OpenAI Not Supported
Claim Astah System Safety and update features and information
Claim Astah System Safety and update features and information
Claim NextFMEA and update features and information
Claim NextFMEA and update features and information