docs: Update to new pricing tiers

Author: sidharthv96

docs/ecosystem/mermaid-chart.md

@@ -47,16 +47,18 @@ Try the Ultimate AI, Mermaid, and Visual Diagramming Suite by creating an accoun
 
 ## Plans
 
-- **Free** - A free plan that includes six diagrams.
+- **Basic** - A free plan that includes three diagrams and limited AI usage.
 
-- **Pro** - A paid plan that includes unlimited diagrams, access to the collaboration feature, and more.
+- **Plus** - A paid plan that includes unlimited diagrams, scalable AI usage, and centralized billing for small teams.
 
-- **Enterprise** - A paid plan for enterprise use that includes all Pro features, and more.
+- **Premium** - A paid plan for larger teams that need massive AI or diagram usage along with team collaboration, knowledge management, and security features like SSO.
 
-To learn more, visit our [Pricing](https://mermaidchart.com/pricing) page.
+- **Enterprise** - A paid plan for enterprise use that includes all Premium features, custom contracts, support, and more.
 
-Mermaid Chart is currently offering a 7-day free trial on our Pro and Enterprise tiers. Sign up for a free account at [Mermaid Chart](https://www.mermaidchart.com/app/sign-up).
+To learn more, visit our [Pricing](https://www.mermaidchart.com/pricing) page.
+
+Sign up for a free account on the [Mermaid](https://www.mermaidchart.com/app/sign-up) website and trial paid features at any time for 7 days free.
 
 ## Mermaid JS contributions
 
-First time contributors are eligible for a free Pro tier account for 1 year.
+First time contributors are eligible for a free Premium tier account for 1 year.

packages/mermaid/src/docs/ecosystem/mermaid-chart.md

@@ -41,16 +41,18 @@ Try the Ultimate AI, Mermaid, and Visual Diagramming Suite by creating an accoun
 
 ## Plans
 
-- **Free** - A free plan that includes six diagrams.
+- **Basic** - A free plan that includes three diagrams and limited AI usage.
 
-- **Pro** - A paid plan that includes unlimited diagrams, access to the collaboration feature, and more.
+- **Plus** - A paid plan that includes unlimited diagrams, scalable AI usage, and centralized billing for small teams.
 
-- **Enterprise** - A paid plan for enterprise use that includes all Pro features, and more.
+- **Premium** - A paid plan for larger teams that need massive AI or diagram usage along with team collaboration, knowledge management, and security features like SSO.
 
-To learn more, visit our [Pricing](https://mermaidchart.com/pricing) page.
+- **Enterprise** - A paid plan for enterprise use that includes all Premium features, custom contracts, support, and more.
 
-Mermaid Chart is currently offering a 7-day free trial on our Pro and Enterprise tiers. Sign up for a free account at [Mermaid Chart](https://www.mermaidchart.com/app/sign-up).
+To learn more, visit our [Pricing](https://www.mermaidchart.com/pricing) page.
+
+Sign up for a free account on the [Mermaid](https://www.mermaidchart.com/app/sign-up) website and trial paid features at any time for 7 days free.
 
 ## Mermaid JS contributions
 
-First time contributors are eligible for a free Pro tier account for 1 year.
+First time contributors are eligible for a free Premium tier account for 1 year.