Mermaid pricing
Mermaid has a free plan. Paid plans start at $10 per user / month, billed annually ($120 a year).
Plans and prices
- Starts at
- $10 per user / month, billed annually ($120 a year)
- Free plan
- Basic plan: 3 diagrams (the comparison table on the same page says up to 6) with a limited diagram size, 15 AI credits, one team and project, and co-editing and external sharing.
- Free trial
- Free trial of Plus or Premium; the vendor does not state how long it lasts
| Plan | Price | What you get |
|---|---|---|
| Basic | $0 | 3 diagrams with a limited diagram size, 15 AI credits, and one team and project. Co-editing and external sharing are included. |
| Plus | $10per user / month, billed annually ($120 a year) | Unlimited diagrams with no size limit and 300 AI credits per year, for individuals who diagram often. |
| Premium | $20per user / month, billed annually ($240 a year) | Everything in Plus, plus 2,000 AI credits per year, unlimited free viewer seats, and unlimited teams and projects. |
| Enterprise | Custom | Everything in Premium, plus SSO, custom contracts and invoicing, IP management, user consolidation and a dedicated customer success manager. |
Read from mermaid.ai on Oct 6, 2026. Prices change, so confirm with Mermaid before you buy.
How Mermaid's price compares
| Tool | Starts at | Free plan | |
|---|---|---|---|
| Mermaid | $10 per user / month, billed annually ($120 a year) | Yes | |
| Eraser | $15 per member / month, billed annually | Yes | Compare |
| draw.io | Free | Yes | Compare |
| Lucidchart | $9 per month, billed annually | Yes | Compare |
| Whimsical | $10 per editor / month, billed annually ($120 a year) | Yes | Compare |
| Excalidraw | $6 per user / month, billed annually | Yes | Compare |
Each price is the vendor’s own, with its billing basis as stated. Check dates are on each tool’s page.
Mermaid pricing questions
Is Mermaid free?
Mermaid has a free plan. Basic plan: 3 diagrams (the comparison table on the same page says up to 6) with a limited diagram size, 15 AI credits, one team and project, and co-editing and external sharing. Paid plans start at $10 per user / month, billed annually ($120 a year).
How much does Mermaid cost?
Mermaid lists 4 plans. Basic: $0. Plus: $10 per user / month, billed annually ($120 a year). Premium: $20 per user / month, billed annually ($240 a year). Enterprise: custom pricing. Prices were read from mermaid.ai on Oct 6, 2026.
Does Mermaid have a free trial?
Yes. Free trial of Plus or Premium; the vendor does not state how long it lasts.
When were Mermaid's prices last checked?
On Oct 6, 2026, against mermaid.ai. Vendors change prices without notice, so confirm on their site before you buy.