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Pricing · 2026

Mermaid Chart pricing

4 plans on the record · a free plan · a free trial

Every plan

Basic

Free

3 diagrams · limited AI · 1 team and project

Plus

$12 a month, billed yearly

annually

unlimited diagrams · 300 AI credits per year · view and comment collaboration

Premium

$24 a month, billed yearly

annually

2,000 AI credits per year · unlimited free viewer seats · co-editing · SSO

Enterprise

Priced on request

Premium features · custom contracts · support