Diagram, infographic and whiteboard tools
Mermaid Chart
Short answer
Diagram editor built on Mermaid syntax with AI diagram generation, visual and code editing, and AI credits per plan. Free plan. From $10 a month billed yearly (Plus).
Our verdict on Mermaid Chart
Mermaid Chart suits teams standardized on Mermaid syntax, with paid plans from $10 a month billed yearly and a clear stance on training data.
- Best for
- Developers who already write Mermaid syntax and want a visual editor
- Not for
- Non-technical users or anyone who wants month-to-month billing
Pros
- Switch between code and visual editing on the same diagram.
- Prompts from paid users are not used for AI training, per the FAQ.
Cons
- Plans are annual only, with no monthly option.
- The free Basic plan includes just 15 AI credits and a few diagrams.
Based on the vendor's own pages, not hands-on testing.
What is Mermaid Chart?
Diagram editor built on Mermaid syntax with AI diagram generation, visual and code editing, and AI credits per plan.
- Vendor
- Mermaid Chart
- Works through
- Web
- Built for
- Developers, Product teams
How much does Mermaid Chart cost?
| Free plan | Free plan: Basic: few diagrams, 15 AI credits, 1 team and project |
|---|---|
| Cheapest paid plan | From $10 a month billed yearly (Plus) |
| Free trial | Yes |
| Credit-based usage | Yes |
| Enterprise plan | Yes |
Prices are in US dollars, as shown on the vendor's own page on November 2, 2026. Vendors change them often, so confirm on the pricing page before you buy.
What does Mermaid Chart make, and from what?
- Output
- Diagram
- Starting points
- Text prompt
- Way of working
- Canvas with AI assist
What features does Mermaid Chart have?
1 of 23 tracked features have a verified answer from an official page. The rest are folded under Not verified.
Creating
- Visual editor for the outputYes
Not verified (22)
We could not read these from an official page. That is neither a yes nor a no.
- Refine the result by chatting
- Multi-page output
- Responsive output
- Brand kit or design system
- Template library
- Start from an image or screenshot
- Start from a URL
- Clickable prototypes
- Train a custom style or model
- Real-time collaboration
- Version history
- Integrations or plugins
- API access
- MCP server
- Mobile app
- Import from Figma
- Export to Figma
- Export code
- One-click publish or hosting
- Custom domain
- Backend and database
- Built-in sign-in or payments
What can you export from Mermaid Chart?
No export formats could be verified from an official page.
Who owns the output and what happens to your content?
| Trains on your content | No, by default |
|---|---|
| Single sign-on | Yes |
Not verified: Commercial use of output, SOC 2 stated, GDPR stated, Open source, Self-hostable.
Read the vendor's terms and privacy policy before uploading client or confidential work.
What are the alternatives to Mermaid Chart?
Other tools in Diagram, infographic and whiteboard tools, chosen for overlapping output and audience. The order is alphabetical among close matches, not a ranking.
Cinergix Pty Ltd
Creately
Visual workspace for org charts, process maps and system diagrams with AI that drafts from descriptions and answers questions; imports CSV, BPMN and cloud configs.
- Price not verified
Little verified
Eraser
Eraser
Technical diagramming and documentation tool with AI diagram generation from prompts, diagram-as-code editing, and integrations with GitHub, VS Code, Notion and Confluence.
- From $60/mo
- Free plan
Partly verified
Excalidraw
Excalidraw
Browser whiteboard with hand-drawn style; Excalidraw+ adds cloud scenes, collaboration tools and higher daily limits for AI text-to-diagram.
- From $6/mo
- Free plan
Partly verified
Figma, Inc.
FigJam AI
Figma whiteboard with AI actions such as summarize, generate and sort; AI credits come with Figma seats rather than a separate FigJam plan.
- From $3/mo
- Free plan
Partly verified
How they differ from Mermaid Chart
- CreatelyAlso makes documentCompare Mermaid Chart with Creately
- EraserCosts more to start: $60/mo against $10/mo. Offers an MCP serverCompare Mermaid Chart with Eraser
- ExcalidrawLower entry price: $6/mo against $10/mo. Supports real-time collaborationCompare Mermaid Chart with Excalidraw
- FigJam AILower entry price: $3/mo against $10/mo. Also makes whiteboardCompare Mermaid Chart with FigJam AI
How was this checked?
Verification level: Official pages read. 1 of 23 tracked features have a verified answer. Last checked November 2, 2026. We have not tested Mermaid Chart hands-on. See the methodology.
- mermaid.ai (read November 1, 2026)
- mermaid.ai (read November 2, 2026)
Something wrong or out of date? Send the page and an official source through the contact page. Confirmed fixes are made on the page. Back to all tools or all categories.