Mermaid vs Lucidchart
Lucidchart is the enterprise leader in visual diagramming with 10M+ monthly visits and pricing starting at $7.95/user/month. Mermaid is free, open source, and developer-focused. Here's when each makes sense.
Mermaid wins: 3
Lucidchart wins: 4
Tie: 3
Feature Comparison
| Feature | Mermaid Editor | Lucidchart | |
|---|---|---|---|
| Price | Free — no limits, no watermarks on editor | $7.95-$9/user/month (limited free tier) | |
| Target audience | Developers, technical writers | Business teams, PMs, designers | |
| Collaboration | URL sharing, Git-based workflows | Real-time co-editing, comments, @mentions | |
| Integrations | GitHub, GitLab, Notion, Obsidian, VS Code | Google Workspace, Slack, Jira, Confluence, Asana | |
| Diagram types | 20+ code-based diagram types | 100+ templates including org charts, network, wireframes | |
| Version control | Git-native text diffs | Built-in version history (paid) | |
| Learning curve | Requires learning text syntax | Intuitive visual editor | |
| Data import | SQL DDL import for ER diagrams | CSV, Visio, Google Sheets import | |
| Export quality | PNG (2x), SVG, PDF | PNG, SVG, PDF, Visio | |
| Open source | Yes — Mermaid.js is MIT licensed | No — proprietary |
Our Verdict
Mermaid is the clear choice for developers who want free, Git-friendly diagrams that render in their existing tools. Lucidchart wins for cross-functional teams that need real-time collaboration, enterprise integrations, and a visual interface. If you're a developer or technical writer, you don't need to pay $9/month for diagrams that Mermaid handles for free.
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