Lucidchart vs Mermaid
Lucidchart
lucidchart.com
Mermaid
mermaid.js.orgSide by side
| Figure | Lucidchart | Mermaid |
|---|---|---|
| Price from | Free | $10/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 4 | 4 |
| Spec score · Diagramming tools | 8.7 (#12) | 8.4 (#19) |
| Spec score · Flowchart Software | 8.3 (#8) | 8.2 (#9) |
| Spec score · Diagramming Software | 8.2 (#24) | 8.2 (#25) |
| Diagram types | process maps,flowcharts,org charts,technical diagrams,system architecture diagrams,UML diagrams,ERDs,sequence diagrams,Gantt charts,C4 models | The documentation lists diagram types including flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, mind maps, timelines, Sankey diagrams, and architecture diagrams. |
| Enterprise security | Enterprise Shield adds fortified security and granular control. | Mermaid Chart's enterprise page lists SSO/SAML authentication, SOC 2 compliance, encryption at rest, centralized seat management, and domain lockdown. |
Plans
Lucidchart
- FreeFree
- IndividualPrice not published
- TeamPrice not published
- EnterprisePrice not published
In their own words
Lucidchart
Lucidchart is a web, iOS, and Android diagramming tool with real-time collaboration and offline editing. It supports process maps, flowcharts, organizational charts, technical and system architecture diagrams, UML diagrams, ERDs, sequence diagrams, Gantt charts, and C4 models. Users can import VSDX, VSD, VDX, Draw.io XML, OmniGraffle flat files, BPMN, and XPDL, then export PDF, PNG, JPEG, SVG, VDX, VSDX, JSON, or CSV. AI can create diagram content from text prompts, and UML markup can generate sequence diagrams from text. Google Sheets, Excel, and CSV data can link to visualizations; conditional formatting highlights patterns, while layers manage visibility and hierarchy. Lucidchart offers more than 100 custom-built integrations and a free signup. The Free plan costs nothing for Basic diagramming access. Individual, Team, and Enterprise plans are listed without prices. Lucidchart is associated with Lucid Software Inc., founded in 2010 and headquartered in South Jordan, Utah.
Mermaid
Mermaid is an open-source JavaScript tool that turns Markdown-inspired text definitions into diagrams and visualizations. Its diagram types include flowcharts, sequence and class diagrams, state diagrams, Gantt charts, timelines, mindmaps, Git graphs, use case diagrams, and event modeling diagrams. Users can also describe an idea, upload a document, or paste a transcript to generate a diagram, then refine it in a context-aware conversation. The platform supports real-time co-editing, click-based adjustments, and shareable live links that recipients can open without logging in. Mermaid can be used in its Live Editor, installed as an npm dependency, loaded from a CDN, or deployed through its API. Listed integrations span IDEs, office tools, and community projects. It imports.mmd files and exports PNG, SVG, and Markdown; version history is available. The free Basic tier allows up to six diagrams, a size limit of 60, 15 AI credits, and one team and project creation. Plus costs $10 a month billed annually; Premium costs $20 a month billed annually.