Lucidchart vs Mermaid Chart: Which Diagramming Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction, side by side, with no marketing spin.
The Short Answer
Lucidchart vs Mermaid Chart, in 15 seconds
Choose Lucidchart if…
- You want the lower entry price
- You need a genuinely free plan
- You depend on a broad integration ecosystem
- You have strict security & compliance needs
Choose Mermaid Chart if…
- You prefer Mermaid Chart's approach and ecosystem
Head-to-Head Scorecard
How Lucidchart and Mermaid Chart score
Lucidchart leads on 6 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
LucidchartNo reviewsMermaidNo reviews - Even
Review Volume
Number of verified reviews, a proxy for adoption
Lucidchart0Mermaid0 - Lucidchart
Entry Pricing
Lowest published starting price (free plan = lowest)
Lucidchart$9/moMermaidCustom - Lucidchart
Free Access
Availability of a free plan and/or free trial
LucidchartFree plan + trialMermaidFree trial - Lucidchart
Integrations
Number of listed third-party integrations
Lucidchart10Mermaid6 - Lucidchart
Features
Number of listed product capabilities
Lucidchart12Mermaid0 - Even
AI Features
Capabilities mentioning AI, automation or ML
Lucidchart,Mermaid, - Lucidchart
Security & Compliance
Number of listed compliance certifications
Lucidchart4Mermaid2 - Lucidchart
Platforms & Deployment
Supported platforms and deployment options
Lucidchart7Mermaid4
Feature Comparison
Lucidchart vs Mermaid Chart feature breakdown
Search or filter the full feature matrix, core features, AI, integrations, APIs, security and compliance.
Lucidchart
Mermaid ChartPricing Comparison
Lucidchart vs Mermaid Chart pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Lucidchart
$9/mo to start- Up to 3 editable documents
- 100+ templates
- Basic shape libraries
- Real-time collaboration
- Unlimited documents
- Premium shape libraries
- Data linking
- Conditional formatting
- Everything in Individual
- Team collaboration
- Lucidspark and Lucidscale
- Admin controls
- SSO and SCIM
- Advanced admin and security
- Team management
- Priority support
Mermaid Chart
Custom to start- Integrations
- Analytics and reporting
- AI diagram generation
- Standard support
- GitHub and Confluence plugins
- Advanced security and controls
- visual editing
- Dedicated support and onboarding
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Lucidchart vs Mermaid Chart: strengths and trade-offs
Lucidchart
Pros
- Free plan available
- Free trial offered
- Broad integration ecosystem (10)
- Compliance: SOC 2, ISO 27001, GDPR
- Public API available
Cons
Mermaid Chart
Pros
- Free trial offered
- Compliance: SOC 2, GDPR
- Public API available
Cons
- No free plan
- Pricing is quote-based (less transparent)
- Fewer native integrations than the alternative
Buyer Fit
Who should use Lucidchart vs Mermaid Chart?
Startups
Lucidchart
Lucidchart keeps early-stage costs lowest with its entry tier.
Small businesses
Lucidchart
Lucidchart offers the most accessible pricing for lean teams.
Agencies
Lucidchart
Lucidchart connects to more tools for multi-client workflows.
Enterprises
Lucidchart
Lucidchart leads on compliance and breadth for complex needs.
Ecommerce
Lucidchart
Lucidchart integrates with more of the commerce stack.
SaaS companies
Lucidchart
Lucidchart is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (3)
Only in Lucidchart (7)
Only in Mermaid Chart (3)
Keep Exploring
Other alternatives worth considering
Similar diagramming products buyers compare alongside Lucidchart and Mermaid Chart.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Lucidchart and Mermaid Chart against your team size, budget, integrations and compliance needs, then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationLucidchart vs Mermaid Chart, Frequently Asked Questions
What is the difference between Lucidchart and Mermaid Chart?
Lucidchart and Mermaid Chart are both Diagramming solutions. Lucidchart is rated 0.0/5 by 0 users, while Mermaid Chart is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Lucidchart or Mermaid Chart?
Based on user ratings, Lucidchart scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Lucidchart or Mermaid Chart?
Lucidchart is the more affordable option, starting at $9/month.
Does Lucidchart or Mermaid Chart have a free plan?
Lucidchart offers a free plan. Mermaid Chart does not have a free tier but does offer a free trial.
Can I switch from Lucidchart to Mermaid Chart?
Switching between Lucidchart and Mermaid Chart is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Lucidchart vs Mermaid Chart?
Lucidchart is best suited for teams that prioritise enterprise features. Mermaid Chart works well for teams needing advanced capabilities.
Our Verdict
The bottom line on Lucidchart vs Mermaid Chart
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Lucidchart
Lucidchart has the friendliest entry point for new teams.
Best for Enterprise
Lucidchart
Lucidchart leads on compliance and feature breadth.
Best Value
Lucidchart
Lucidchart delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.