Landbot 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.

Landbot compared with assistant-ui
Detail	Landbot	assistant-ui
What it does	AI agent and chatbot builder for WhatsApp and website conversations	Open-source React components and runtimes for building AI chat
Stage	Established	Not given
Founded	2015	Not given
Based in	ES	US
Pricing model	Freemium	Open source
Pricing	Free: €0, includes 100 chats/month, 1 seat, no AI chats; Starter: €32/month (€40 monthly), 500 chats/month, 100 AI chats, 2 seats; Professional: €80/month (€100 monthly), 2,500 chats/month, 300 AI chats, 3 seats, no Landbot branding; Professional with WhatsApp: €160/month; Business: custom pricing w	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	Visual workflow builder with drag-and-drop interface AI Copilot that builds workflows from plain language descriptions AI agent reasoning with structured flows and AI flexibility Knowledge base grounding to prevent invented answers CRM context out-of-box with native integrations Human handoff with conversation context WhatsApp Business and website channels Lead qualification and scoring Meeting booking and scheduling automation Native integrations with HubSpot, Salesforce, Pipedrive, Zoho and 20+ tools	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	Deploy first AI agent in 15 minutes without engineering Answers grounded in knowledge base, never invents Hybrid approach combining structured flows with AI flexibility No code required, marketing teams build independently	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)	77 no change since last check	53 +1 (up) since last check
Trust Flow (Majestic)	22	12
Citation Flow (Majestic)	45	39
Referring domains (Majestic)	4242	572

6 details filled in for both companies.

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