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Convai 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.

Convai compared with assistant-ui
DetailConvai logo Convaiassistant-ui logo assistant-ui
What it doesConversational AI platform for creating interactive 3D AI characters in games, metaverse, and XR experiences Open-source React components and runtimes for building AI chat
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Open source
PricingFree tier available; paid plans include Indie Dev with 3000 monthly interactions (1500 Flagship LLM cap, 500 HQ Third Party Voice cap) and Scale plan with 200 Monthly Active End Users. Exact pricing plans and rates require contacting sales. 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
  • Role-playing AI characters
  • Multimodal knowledge bank
  • Multilingual support with 65+ languages and 500+ voices
  • Vision perception and spatial awareness
  • High-quality lipsync
  • Long-term memory for characters
  • Emotional state tracking
  • No-code creation tools
  • Game engine integrations with Unreal, Unity, 3JS
  • Custom avatar support
  • 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
  • Spatially 3D aware AI characters with embodied understanding
  • Multimodal perception enabling characters to see, hear, and respond contextually
  • Simplest platform for crafting and deploying 3D AI characters
  • World-class developer support and comprehensive documentation
  • Support for both creators and developers with dedicated tools and integrations
  • 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)58 no change since last check53 +1 (up) since last check
Trust Flow (Majestic)1512
Citation Flow (Majestic)4039
Referring domains (Majestic)1103572

5 details filled in for both companies.

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