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Plain

Plain is the AI support stack built for B2B teams.

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Overview

Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.

AI summary

Plain is an AI support stack designed for B2B teams, offering a flexible and composable infrastructure for building support systems without the need for extensive coding.

Sources behind this listingSee source links, recorded dates and owner corrections.

Observed facts come from public pages. Founder-edited facts are supplied by the verified owner. AI-inferred facts are model interpretations; derived facts are calculated from other data. A source link lets you check the current page. It does not guarantee the fact is still current.

Dates show when a record was saved. Some older records use the listing’s update date; they are not proof of a fresh check. Missing source records are shown explicitly.

TaglinePlain is the AI support stack built for B2B teams.
ObservedRecorded Source: www.plain.com
DescriptionPlain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-cod...
ObservedRecorded Source: www.plain.com
Free planYes
ObservedRecorded Source: www.plain.com
Free trialNot stated
Source not recordedDate not recordedSource link unavailable
Pricing modelfreemium
AI-inferredRecorded Source: www.plain.com
IntegrationsDiscord, Linear, Microsoft Teams, Slack, n8n
ObservedRecorded Source: www.plain.com
Plan: Foundation$35/mo
AI-inferredRecorded Source: www.plain.com
Plan: Horizon$299/mo
AI-inferredRecorded Source: www.plain.com
Plan: FrontierCustom
AI-inferredRecorded Source: www.plain.com
SummaryPlain is an AI support stack designed for B2B teams, offering a flexible and composable infrastructure for building support systems without the need for extensive coding.
AI-inferredRecorded Source link unavailable

Pricing

Pricing recorded 15 September 2026Pricing page
Foundation
$35/mo
Per seat
seats
1
credits per month
2000
  • Ari AI agent included
  • Slack, email, in-app channels
  • Get help via email + chat
Horizon
$299/mo
Per seat
seats
3
credits per month
15000
  • Priority support via Slack
  • Microsoft Teams
  • SLAs and Business hours
Frontier
Custom
  • Flexible pricing suited for you
  • Custom contracting
  • Dedicated CSM + white glove onboarding
Startup discountFree tier: 7-Day Free Trial

Who Is It For

Best for

B2B teams looking for customizable support solutions that can scale with their business needs.

Not for

Teams that require a fully coded solution or those looking for extensive pre-built integrations beyond the current offerings.

Strengths & Weaknesses

Biggest strength

Offers a no-code or all-code approach, providing significant flexibility in building support motions.

Classification

Likely competitors
ZendeskFreshdeskIntercomHelp Scout

Alternatives to Plain

See all alternatives to Plain

Community

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How we sourced this: Observed fields () were crawled from https://www.plain.com/ when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 15 September 2026. Site availability checked: 14 September 2026. Is this your tool? Claim it to edit and get a do-follow badge.