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Plain vs InputBuffer

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Plain compared with InputBuffer
DetailPlain logo PlainInputBuffer logo InputBuffer
What it doesAI support infrastructure for B2B teams built composable and API-first AI-organized feedback for anyone building software
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelPaid Contact for pricing
PricingFoundation plan $45/user/month billed annually with 1,000 credits/month; Horizon plan $99/user/month billed annually with 2,500 credits/month; Frontier plan with custom pricing for larger organizations. 7-day free trial available with no credit card required. Custom pricing based on needs
Key features
  • Ari AI agent for customer interactions
  • Sidekick internal AI assistant
  • Unified inbox for Slack, Teams, Discord, and email
  • Workflow automation and auto-routing
  • Insights for trend detection and analytics
  • API-first architecture and GraphQL
  • Help Center and knowledge base
  • Lookup codebase integration powered by Cursor
  • Automatic AI categorization without manual tagging
  • Natural language query interface for feedback analysis
  • Collects feedback from users, agents, and custom systems
  • Web widget for in-app feedback collection
  • API for feedback submission and integration
  • Agent feedback reporting with embedded instructions
  • Feedback answers cited with source items
  • Planned integrations with GitHub, Slack, and app stores
What makes it different
  • Composable, API-first infrastructure allows building anything no-code or all-code
  • Multiple AI agents orchestrated together with human control
  • Designed and stress-tested by fast-growing teams
  • Enterprise-level security built for everyone
  • Captures feedback from AI agents as well as users
  • Automatic categorization without requiring manual tagging setup
  • Query feedback in plain English with cited answers
  • Single unified inbox for all feedback sources
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)73 +1 (up) since last check2 no change since last check
Trust Flow (Majestic)291
Citation Flow (Majestic)5122
Referring domains (Majestic)30339

5 details filled in for both companies.

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