Assistly 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.

Assistly compared with assistant-ui
Detail	Assistly	assistant-ui
What it does	Not given	Open-source React components and runtimes for building AI chat
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Open source
Pricing	Free: $0/month with 50 chats per month; Basic: $29.99/month ($23.99/month yearly) with 500 chats; Starter: $79/month ($63.20/month yearly) with unlimited chats; Pro: $149/month ($119.20/month yearly) with unlimited chats; Premium: $299/month ($239.20/month yearly) with unlimited chats. Every new acc	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	Learns your business from website pages and uploaded files Answers visitors 24/7 in their language Hot lead scoring and qualifying questions Booking calendar integration Export leads as spreadsheet Team member management with roles	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	No technical skills required - one line of code to install Never invents answers - tells visitor honestly when it doesn't know Free trial of full Pro plan with no card required Same AI works on website, WhatsApp and inside your app Your data is yours - no made up reviews or fake numbers	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	7 −1 (down) since last check	53 +1 (up) since last check
Trust Flow (Majestic)	5	12
Citation Flow (Majestic)	13	39
Referring domains (Majestic)	8	572

4 details filled in for both companies.

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