Pricing

Start free. Upgrade when your team grows.

One live canvas, real-time multiplayer, and an AI Design Agent — free to start, simple to scale.

Free

$0forever

For trying Stackplane and small personal projects.

  • 1 workspace
  • Up to 3 diagrams
  • Real-time multiplayer
  • The AI Design Agent

Pro

Popular
$12per editor / mo

For teams designing and shipping real systems together.

  • Everything in Free
  • Unlimited diagrams & workspaces
  • Unlimited editors and invites
  • All five agent modes
  • Priority support

Team

Custom

For orgs with volume, security reviews, and SSO needs.

  • Everything in Pro
  • SSO & audit logs
  • Dedicated support
  • Custom terms

Questions

Is there really a free tier?
Yes — start on Free with no card required. Upgrade to Pro whenever your team outgrows it.
How does billing work?
Pro is billed per editor through Stripe, monthly or annually. Cancel anytime; you keep Pro features until the end of the period.
Can I change plans later?
Anytime, from your workspace settings. Upgrades take effect immediately; downgrades at the next billing period.