Pricing
Mermaid pricing
As mermaid.js.org lists them, read 11 Oct 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Basic | Up to 6 diagrams · Limited diagram size (60) · 15 AI credits · 1 team and project creation | Free |
| Plus | Billed Annually · Unlimited diagrams · Limitless diagram size · 300 AI credits per year | $10 a month |
| Premium | Billed Annually · Unlimited diagrams · Limitless diagram size · 2,000 AI credits per year · Unlimited viewer seats · Unlimited teams and projects | $20 a month |
| Enterprise | Billed Annually · Custom pricing · Unlimited diagrams · Limitless diagram size · Unlimited AI credits · SSO · Custom contract and invoicing · IP management · Dedicated Customer Success Manager | On request |
From mermaid.ai.