Lucidchart vs Mermaid: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Lucidchart and Mermaid side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Mermaid leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Lucidchart
Create and collaborate on any diagram, from flowcharts to technical designs
Best for you if:
- • You want professional diagrams
Mermaid
Create diagrams and charts from text in a simple, intuitive, and highly customizable way.
Best for you if:
- • You want a fully free tool (Lucidchart requires payment)
| At a Glance | Lucidchart | Mermaid |
|---|---|---|
Starts at | Free plan, paid from $9/mo, billed monthly Individual plan | Free plan, paid from $8/mo, billed monthly Plus plan |
Category | Diagramming Productivity | Diagramming Developer Tools |
Rating | 4.1/5 G2 4.5 · Capterra 4.6 · SourceForge 2.4 9,651 reviews | 4.7/5 G2 4.7 11 reviews |
Free plan | Yes | Yes |
Watch out for | Team plan requires minimum users (unspecified) | n/a |
Choose Lucidchart or Mermaid?
Choose Lucidchart if
- You want professional diagrams
- You want real-time collaboration
Choose Mermaid if
- You want a fully free tool (Lucidchart requires payment)
- You want diagrams as code
- You want GitHub native support
- Budget matters ($8/mo, billed monthly vs $9/mo, billed monthly)
In-Depth Analysis
Lucidchart
Create and collaborate on any diagram, from flowcharts to technical designs
Lucidchart's pricing is fair, offering a generous Free tier and competitive Individual plan at $9/month.
Watch out
Team plan requires minimum users (unspecified)
Strengths
- Pro: Professional diagrams
- Pro: Real-time collaboration
- Pro: Templates library
Weaknesses
- Con: Limited free tier
- Con: Can be slow
Key features
Mermaid
Create diagrams and charts from text in a simple, intuitive, and highly customizable way.
Mermaid offers a very generous free tier with its open-source option and a functional 'Basic' tier for free.
Strengths
- Pro: Diagrams as code
- Pro: GitHub native support
- Pro: Free and open source
- Pro: Many diagram types
- Pro: Easy syntax
Weaknesses
- Con: Limited styling
- Con: Complex diagrams hard
- Con: Rendering varies
- Con: Documentation gaps
- Con: Less flexible than draw tools
Key features
Plans and prices: Lucidchart vs Mermaid
| Tool | Plans and prices | Source |
|---|---|---|
| Lucidchart |
| lucidchart.com/pricing read Sep 30, 2026 |
| Mermaid |
| mermaid.js.org read Sep 27, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Lucidchart pricing and Mermaid pricing.
Key Takeaways
Lucidchart
- Choose if you want create and collaborate on any diagram, from flowcharts to technical designs
Mermaid
- Lower entry price: $8/mo, billed monthly vs $9/mo, billed monthly
What the data shows
On the data below, Mermaid leads on lower entry price. We do not name an overall winner for this pair.
- User ratings rest on too few reviews to rank (4.1/5 from 9,651 reviews for Lucidchart, 4.7/5 from 11 reviews for Mermaid; we compare ratings only above 20 reviews on both sides).
- Mermaid has the lower entry price: $8/mo, billed monthly (Plus) against $9/mo, billed monthly (Individual) for Lucidchart.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Lucidchart and Mermaid compare in 2026?
On the data below, Mermaid leads on lower entry price. We do not name an overall winner for this pair. User ratings rest on too few reviews to rank (4.1/5 from 9,651 reviews for Lucidchart, 4.7/5 from 11 reviews for Mermaid; we compare ratings only above 20 reviews on both sides). Mermaid has the lower entry price: $8/mo, billed monthly (Plus) against $9/mo, billed monthly (Individual) for Lucidchart. Both have a free plan.
What are Lucidchart and Mermaid used for?
Lucidchart: Create and collaborate on any diagram, from flowcharts to technical designs. Mermaid: Create diagrams and charts from text in a simple, intuitive, and highly customizable way.
What does Lucidchart cost vs Mermaid?
Lucidchart's cheapest paid plan is Individual at $9/mo, billed monthly; it also has a free plan. Mermaid's cheapest paid plan is Plus at $8/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Sep 30, 2026.
What's the main difference between Lucidchart and Mermaid?
Lucidchart's main strength: professional diagrams. Mermaid's main strength: diagrams as code.