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AI-powered support platform for B2B teams to orchestrate customer conversations across all channels.

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TL;DR - Plain

  • Unifies B2B customer support across multiple channels into a single platform.
  • Leverages AI (Ari, Sidekick, Lookup) to automate tasks, assist agents, and provide technical answers.
  • Provides insights from support data to drive product improvements and improve team efficiency.
Pricing: Paid only
Best for: Enterprises & pros
4.5/5 across review platforms

Pros & Cons

Pros

  • Consolidates customer communication from various channels into one platform.
  • AI tools significantly reduce manual effort and speed up response times.
  • Provides deep insights from support data to inform product development.
  • Highly extensible with an API-first design for custom workflows and integrations.
  • Designed for B2B, focusing on complex, revenue-impacting interactions.

Cons

  • No free tier, only a 14-day free trial.
  • Pricing can become substantial for larger teams or higher AI usage.
  • Requires integration and setup to fully leverage its extensibility.

Ratings Across the Web

4.5(20 reviews)

Ratings aggregated from independent review platforms. Learn more

Preview

Key Features

Multi-channel support inbox (Slack, Teams, Discord, Email, In-app chat, Forms)Ari AI agent for automated customer engagement and issue resolutionSidekick AI assistant for drafting replies and knowledge retrievalLookup powered by Cursor for code-accurate technical answersAutomated insights and trend detection from support dataAI-powered Help Center with article generationCustomizable workflows and escalation pathsSLA management with automated breach notifications

Pricing Plans

Free Trial

Foundation

$35/month

  • 1 seat + $35/additional
  • Slack, email, in-app channels
  • Ari AI agent included
  • Linear, Jira integrations
  • Customer cards
  • AI workflows
  • Get help via email + chat

Horizon

$269/month

  • 3 seats + $89/additional
  • All Foundation features +
  • Microsoft Teams and Discord channels
  • SLAs and Business hours
  • Escalation paths
  • Help Center, Knowledge Base
  • CRM integrations
  • Reporting themes
  • AI suggested responses
  • Priority support via Slack

Frontier

Custom

  • Custom seats
  • All Horizon features +
  • Custom AI + bring your own agent
  • Sidekick AI assistant
  • Lookup with Cursor
  • Custom workspaces
  • Custom contracting
  • Advanced security
  • SSO and SCIM
  • Dedicated CSM + white glove onboarding

What is Plain?

Editorial review
Plain is an AI-powered support platform designed for B2B teams to manage customer interactions across various channels like Slack, Microsoft Teams, email, Discord, and in-app chat. It aims to consolidate scattered customer conversations into a unified workspace, enabling faster and more efficient support. The platform offers an AI suite including 'Ari' for automating routine customer engagements, 'Sidekick' for assisting human agents with context-aware drafting and knowledge retrieval, and 'Lookup' for technical teams to get code-accurate answers directly from their codebase. Plain also provides tools for generating insights from support data to influence product roadmaps, manage SLAs, automate workflows, and build self-serve help centers. Its API-first approach allows for extensive customization and integration with existing internal systems and BI tools, making it suitable for fast-growing and demanding support teams.

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Plain FAQ

What is Plain?

Plain is an AI-powered support platform designed for B2B teams to centralize and manage customer conversations across various channels like Slack, Microsoft Teams, email, and in-app chat. It uses AI to automate routine tasks, assist human agents, and provide insights to improve support efficiency and product development.

How much does Plain cost?

Plain offers three pricing tiers: Foundation at $35/month (1 seat + $35/additional), Horizon at $269/month (3 seats + $89/additional), and Frontier with custom pricing. All plans are billed yearly and include a 14-day free trial. Additional AI resolutions for Ari cost $100 per 100 resolutions.

Is Plain free?

Plain is not free. It offers a 14-day free trial for its paid plans, but there is no permanent free tier available.

Who is Plain for?

Plain is specifically designed for B2B support teams, particularly those in fast-moving companies that need to manage customer interactions across multiple channels and leverage AI to scale their support operations without proportionally increasing their team size.

Source: plain.com

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