Side by side
DiagramGPT by Eraser vs Mermaid Viewer
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Generated engineering diagrams.
Create and share Mermaid diagrams instantly in your browser.
Primary task
Diagrams
Diagrams
Pricing
Freemium · Free + from $10 per member / month
Freemium · Free + from $6.99/mo
Pricing details
Free + from $10 per member / month
Free + from $6.99/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
X / Twitter, VS Code, Notion, GitHub, Slack
Docker
Source rating
3.6 / 5 · 20 ratings
1.5 / 5 · 2 ratings
Catalog views
42k
1.8k
Estimated monthly traffic
764K
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Catalog imported
30 Aug 2026
31 Aug 2026
Listed strengths
- Generates technical diagrams
- Supports diagram-as-code format
- Multiple diagram types
- Integrated with Eraser
- Useful for whiteboard interviews
- Browser-based diagram editor
- Live preview capabilities
- Smart export functionality
- Supports SVG, PNG, Markdown
- Customizable DPI for exports
Listed limitations
- Limited diagram types
- Depends on another tool
- Requires learning new syntax
- No offline mode
- Limited integration options
- No offline mode
- No mobile application
- Lacks versioning feature
- Limited free version
- Doesn't support PDF export