- Starting price
- $35/mo
- Website
- plain.com
About Plain
Plain is a B2B support platform that leverages AI to deliver efficient support across Slack, MS Teams, Discord, and email. It serves mid-market and enterprise teams seeking to consolidate, understand, and scale their customer support operations while moving beyond traditional ticket responses.
Key Features
Plain targets multi-channel support workflows, letting teams handle conversations from Slack, Microsoft Teams, Discord, and email in one place. It emphasizes AI-assisted replies and shared context to speed resolution:
AI-Powered Support Engine
Automatically suggests replies and surfaces relevant context across channels to speed issue resolution.
Multi-Channel Integrations
Supports Slack, Microsoft Teams, Discord, email, and more, centralizing interactions in one place.
Conversation Consolidation & Insights
Aggregates conversations from all channels into a single view, helping teams spot trends and inform decisions.
Scalability & Agent Collaboration
Enables team workflows to handle higher volumes while preserving customer relationships; supports shared queues, assignments, and cross-agent notes.
Summary
Best for mid-market and enterprise support teams, customer success operations, and IT or ops teams coordinating cross-channel service.
Pricing
View pricingPlans and prices as listed on plain.com as of Sep 24, 2026.
Foundation
$35 / month
- 1 seat + $35/additional seats
- +2,000 credits / mo
- Slack, email, in-app channels
- Ari AI agent included
- Linear, Jira integrations
- Help Center, Knowledge Base
- Customer cards
- AI workflows
- Sidekick AI assistant
- Get help via email + chat
Horizon
$299 / month
- 3 seats + $99/additional seats
- +15,000 credits / mo
- Microsoft Teams
- SLAs and Business hours
- Escalation paths
- CRM integrations
- Reporting themes
- AI suggested responses
- Priority support via Slack
Foundation
$35 / year
Horizon
$299 / year
Frontier
Custom / Custom
- Everything in Horizon, plus…
- + 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
- 7 day free trial
