Design Smarter. Communicate Better. Build Faster with Astah.
Visualize, Collaborate & Deliver.
Astah gives you the power to turn complex ideas into clear, actionable designs.
Whether you’re an individual developer or part of a large engineering team, our modeling tools help you create safe, secure, and efficient systems—faster than ever before.
Why Astah?
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Best-in-Class Modeling Tools
From requirements to architecture, Astah simplifies every step of your design process. -
Seamless Collaboration
Communicate effortlessly with clients, engineers, and stakeholders. Build alignment and eliminate misunderstandings. -
Safety & Security Built-In
Design systems that meet the highest standards for reliability and security.
Who Uses Astah?
- Individual Developers – Streamline your workflow and focus on innovation.
- Engineering Teams – Collaborate effectively and deliver projects on time.
- Technical Architects – Model complex systems with clarity and precision.
New in Astah 11
AI-assisted modeling
Astah Professional v11 brings AI-powered capabilities to your modeling process.
Integrated AI tools help you model faster, understand existing systems more quickly, and maintain a strong focus on design quality—across every stage, from analysis to implementation.
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AI Chat Copilot |
MCP Server |
AI Code Reverse |
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Work with AI directly inside Astah while editing your diagrams—no context switching required. Get assistance to think, evaluate, and design more effectively, helping you model faster and with greater confidence. |
Connect Astah to external AI clients and seamlessly integrate AI into your workflow. Use your preferred AI client to collaborate with Astah models. Leverage documents and files to enable AI-assisted modeling and deeper design insights. |
Transform source code into clear, UML diagrams using AI. Generate class and sequence diagrams directly from your code to better understand architecture and behavior. Supports multiple programming languages, enabling seamless modeling across diverse technology stacks. |
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AI Chat Copilot adds an integrated chat window to Astah, enabling natural language interaction with your diagrams and models. Ask questions, explore design alternatives, and receive intelligent suggestions—while staying fully focused on your modeling activities. |
With the MCP server, you can connect your preferred AI tools directly to Astah models. Use AI from the environment you already work in—such as an IDE or AI agent—to retrieve model information and perform operations in Astah, seamlessly extending your existing workflow. |
With the MCP server, you can connect your preferred AI tools directly to Astah models. Use AI from the environment you already work in—such as an IDE or AI agent—to retrieve model information and perform operations in Astah, seamlessly extending your existing workflow. |
| More about AI Chat Copilot | More about MCP Server | More about AI Code Reverse |
Our Solutions
Astah offers specialized tools for every domain:
- Astah Professional – Comprehensive modeling for software and systems.
- Astah SysML – Perfect for systems engineering and architecture.
- Astah UML – Ideal for software design and development.
- Astah System Safety – For safety and assurance case modeling.
What Our Users Say
"Astah transformed the way our team collaborates. We deliver faster and with fewer errors."
— Lead Engineer, Global Tech Firm
UML modeling with Astah
SysML modeling with Astah
Ready to design smarter and deliver better systems?
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