Structurizr⚠ StalevsMermaid
Code-first C4 model architecture diagrams as structured text versus Text-to-diagram natively supported by GitHub and Notion
Compare interactively in Explore →Choose Structurizr when…
- •You're doing structured C4 architecture modeling
- •Simon Brown's C4 model is your diagramming approach
- •You need a formal software architecture documentation tool
Choose Mermaid when…
- •You want diagrams embedded in Markdown or docs
- •Lightweight text-based diagramming fits your workflow
- •You need flowcharts or sequence diagrams quickly
Side-by-side comparison
Structurizr
Implements the C4 model as a diagrams-as-code DSL — write Structurizr DSL and render multiple architecture views (Context, Container, Component, Code) from a single model. Version-controlled alongside code with full ADR integration. Free OSS CLI plus paid cloud workspace for team collaboration.
Mermaid
Renders flowcharts, sequence diagrams, ER diagrams, C4 diagrams, and Gantt charts from simple Markdown-style text definitions. Native support in GitHub, GitLab, Notion, and dozens of engineering platforms. With 87k+ GitHub stars, it's the most widely adopted diagramming tool in engineering.
Shared Connections2 tools both integrate with
Only Structurizr (2)
Only Mermaid (3)
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