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Mermaid Chart pricing

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Images · Vendor site 2026-10-04

Mermaid is the commercial diagramming product from the Mermaid.js team, combining AI prompts, documents, and code to generate flowcharts, sequence diagrams, Gantt charts, and more. The homepage highlights co-editing, SOC 2 compliance, SSO, MCP integrations, and open-source roots with millions of users.

Updated 2026-10-04View sources
Official website
Category
Images
Free access
The homepage invites users to start free and sign in with Google or GitHub.
API access
Marketing mentions an MCP server to generate diagrams from Claude, VS Code, and Cursor.

Understand the total cost

Mermaid Chart pricing & plans

Pricing

Not listed

Official monthly price not confirmed

API
Marketing mentions an MCP server to generate diagrams from Claude, VS Code, and Cursor.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.

Mermaid Chart pricing questions

Is Mermaid Chart free?

Mermaid Chart offers a way to start free, but not a standard ongoing plan. The homepage invites users to start free and sign in with Google or GitHub.

How much does Mermaid Chart cost?

Mermaid Chart does not publish a monthly price we could confirm.

Does Mermaid Chart have an API?

API or developer access is mentioned. Marketing mentions an MCP server to generate diagrams from Claude, VS Code, and Cursor.

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