Summary: Mermaid changes pricing plans

Why It Matters: This changes how customers pay and what they get.

What Changed:

• Mermaid changed its pricing plans from "free," "pro," and "enterprise" to "Basic," "Plus," "Premium," and "Enterprise."
• The "pro" plan was replaced by "Plus" and "Premium" plans.
• The "free" plan is now called "Basic" and has new feature limits like 3 diagrams, limited size, and limited AI.
• The "Plus" plan costs $10 per user/month and includes unlimited diagrams, limitless size, 300 AI credits, and view & comment collaboration.
• The "Premium" plan costs $20 per user/month and includes 2,000 AI credits, unlimited free viewer seats, team & project creation, co-editing, and SSO.
• The "Enterprise" plan now has custom pricing and includes features like custom contracts, secure diagram ownership, and a dedicated Customer Success Manager.
• A detailed comparison table for all plans was added, showing usage limits, collaboration features, and security/support.