Mermaid diagrams
Mermaid diagrams are text-based diagrams generated from simple code, useful for visualizing AI workflows.
Mermaid is a tool that lets you create diagrams and charts using plain text. Instead of using a mouse to draw boxes and lines, you write simple code that describes the diagram. This code is then automatically turned into a visual representation.
For example, in AI development, you might use Mermaid to draw a flowchart showing how different parts of an AI agent work together. This makes it easier for developers to understand and share complex processes.
Mermaid is a JavaScript-based diagramming tool that renders Markdown-like text definitions into diagrams. It supports various diagram types including flowcharts, sequence diagrams, Gantt charts, and class diagrams. Its primary advantage in AI development is enabling the creation and version control of complex system architectures and workflows directly within code or documentation.
This approach facilitates automated documentation generation and ensures diagrams remain consistent with the underlying code or system design. The output can be rendered as SVGs or other image formats for embedding in web pages or documents.
OpenAI is updating its developer documentation to use Mermaid diagrams. This suggests a trend towards using text-based diagramming tools to explain complex AI workflows and agent interactions more clearly to developers.
- OpenAI Cookbook: Replace Agents API Mermaid diagrams with SVGs (#3109)OpenAI · OpenAI Cookbook ·
- OpenAI ChatGPT
- OpenAI is using Mermaid diagrams in its developer cookbook to illustrate agent workflows, aiming for better clarity and understanding.
- Graphviz
- Graphviz is another system for drawing graphs from descriptions, but u
- UML diagrams
- UML diagrams are a standardized set of visual modeling notations u
- PlantUML
- PlantUML is similar to Mermaid in that it uses text to generate diagra
Mermaid was created by Knut Sveidqvist. It was initially developed to help developers create diagrams easily from text within Markdown files. Source ↗
Go to the Mermaid Live Editor online. Type a simple flowchart, like 'graph TD; A-->B; B-->C;', and see how it generates a diagram. Then, try changing the text and observe the diagram update instantly.
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Questions people ask
- Can Mermaid create any type of diagram?
- Mermaid supports several common diagram types, including flowcharts, sequence diagrams, Gantt charts, and class diagrams. It is well-suited for visualizing processes and structures.
- How is Mermaid different from drawing diagrams with a mouse?
- Mermaid uses text descriptions to generate diagrams, which makes them easy to edit, version control with code, and integrate into documentation automatically.
First seen on Subvolts Sep 17, 2026. Updated Sep 24, 2026. Written by an AI model from the items above and reviewed against them weekly; report an error.

