Diagram

Pricing

Free for most people

Diagram is free for 5 projects. Pro is $5/month for 100 projects of 1000 diagrams each. The limits are there to keep spam out.

Free

$0 No card needed

  • 5 projects
  • 100 diagrams per project
  • Private and public diagrams
  • Every version kept
  • Share projects by email
  • MCP and HTTP API

Pro

$5/month Cancel any time

  • 100 projects
  • 1000 diagrams per project
  • Orgs: share projects with your team
  • Private and public diagrams
  • Every version kept
  • Share projects by email
  • MCP and HTTP API

Only owners need a plan. People you share a project with sign in and read for free, and they don’t count against any limit.