Plain Pricing (2026)

Pure per-seat model — you're paying for agent access, not contacts or ticket volume. Foundation starts at $35/seat, but Horizon drops the per-seat cost to $99 once you're past the 3 included seats, which creates a natural inflection point around team size.

From $35/mo 3 plans per-seat Free trial
Foundation
$35/mo per seat
Horizon
$299/mo per seat
Frontier
Contact Sales
Verified Jul 25, 2026 Official pricing page
Screenshot of Plain's pricing page showing its plans and prices
Their pricing page, captured Jul 25, 2026

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Foundation

$35/mo per seat
  • +2,000 credits / mo
  • Slack, email, in-app channels
  • Ari AI agent included
  • Linear, Jira integrations
  • Customer cards
  • AI workflows
  • Sidekick AI assistant
  • Get help via email + chat

Horizon

$299/mo per seat
  • +15,000 credits / mo
  • Microsoft Teams
  • SLAs and Business hours
  • Escalation paths
  • Help Center, Knowledge Base
  • CRM integrations
  • Reporting themes
  • AI suggested responses
  • Priority support via Slack

Frontier

Contact Sales
  • + Custom credits
  • Discord channels
  • Lookup with Cursor
  • Custom workspaces
  • Custom contracting
  • Advanced security
  • SSO and SCIM
  • Custom AI + bring your own agent
  • Dedicated CSM + white glove onboarding

AI Pricing Analysis

Pricing Model

Pure per-seat model — you're paying for agent access, not contacts or ticket volume. Foundation starts at $35/seat, but Horizon drops the per-seat cost to $99 once you're past the 3 included seats, which creates a natural inflection point around team size.

Tier Strategy

Foundation is clearly for solo operators or tiny support teams just getting started; the single included seat gives it away. The jump to Horizon at $299 is for teams that need multiple agents and likely more advanced workflows — the upgrade trigger is headcount, plain and simple.

Competitive Positioning

At $35/seat, they're undercutting Intercom and Zendesk's mid-market plans but positioning above bare-bones tools like Crisp or Freshdesk's entry tiers. They're going after product-led companies that want a modern, developer-friendly support tool without enterprise pricing.

Growth Lever

Seat count is the primary expansion driver — every new support hire is a new billing line. The startup discount (50% off) is a classic land-and-expand play: get teams hooked early at a reduced rate, then grow revenue as the company scales its support org.

Plain Pricing FAQ

How much does Plain cost?
Paid plans start at $35/mo, going up to $299/mo for larger teams. There's also an Enterprise tier with custom pricing.
Is there a free plan?
No free plan. But there is a free trial, so you can test it out before paying.
Can I try it before paying?
Yes — there's a free trial that lasts 7 days. You don't need a credit card to start.
How does the pricing work?
Pure per-seat model — you're paying for agent access, not contacts or ticket volume. Foundation starts at $35/seat, but Horizon drops the per-seat cost to $99 once you're past the 3 included seats, which creates a natural inflection point around team size.
Is there a discount for annual billing?
50% off via startup program.
Which plan makes sense for me?
Foundation is clearly for solo operators or tiny support teams just getting started; the single included seat gives it away. The jump to Horizon at $299 is for teams that need multiple agents and likely more advanced workflows — the upgrade trigger is headcount, plain and simple.

More Support pricing

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Comparing Plain to something specific? Try Plain vs Botpress, Plain vs Chaport, or Plain vs Chatwoot.

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