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Calldone vs assistant-ui

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

Calldone compared with assistant-ui
DetailCalldone logo Calldoneassistant-ui logo assistant-ui
What it doesAI voice agents that answer your business calls 24/7, handling inbound calls, booking appointments, answering questions, and qualifying leads. Open-source React components and runtimes for building AI chat
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelPaid Open source
PricingSolo $49/month (75 min), Professional $99/month (200 min), Launch $299/month (500 min), Growth $499/month (1,200 min), Enterprise custom. Extra minutes $0.59/min (Solo), $0.49/min (Professional), $0.45/min (Launch), $0.35/min (Growth). The core library is free and MIT licensed. assistant-cloud offers: Free ($0, 200 MAU included), Pro ($50/mo, 500 MAU included plus $0.10 per additional MAU), Enterprise (custom MAU pricing, contact for details).
Key features
  • 24/7 call answering on first ring
  • Appointment booking into calendar or CRM
  • Call recording, transcription and summarization
  • Automatic call escalation to live team members
  • Outbound call campaigns
  • Custom voice training
  • Multi-language support
  • Manual dialer for campaigns and reminders
  • Streaming support for real-time chat output
  • Tool execution and integration
  • Thread persistence and history
  • Voice support
  • Generative UI rendering
  • Message attachments
  • Conversation branching
  • Multi-platform support (React, Vue, React Native, Ink)
  • Runtime adapter support (AI SDK, LangGraph, LangChain)
  • Fully customizable component composition
What makes it different
  • Natural-sounding custom voices vs generic robotic alternatives
  • Built-in integrations and tools without complex infrastructure
  • Works with any backend through pluggable runtime adapters
  • Complete source code available for customization via CLI
  • Production-ready runtime handling streaming, tools, and state
  • Free MIT license with optional paid cloud persistence
  • Cross-platform support with single chat model
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)4 no change since last check53 +1 (up) since last check
Trust Flow (Majestic)112
Citation Flow (Majestic)1339
Referring domains (Majestic)9572

6 details filled in for both companies.

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