SpideyChat 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.

SpideyChat compared with assistant-ui
Detail	SpideyChat	assistant-ui
What it does	Your website's AI employee	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 (1 chatbot, 500K AI tokens/month, lead capture). Starter: $9.99/month or $8.49/month billed annually (3 chatbots, 1M AI tokens/month). Pro: $29.99/month or $24.99/month billed annually (10 chatbots, 5M AI tokens/month, support ticket inbox, remove branding). Enterprise: custom pricing	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	Train chatbot from website crawler, uploaded documents, or manual Q&A 24/7 AI answers in visitor's language One-line embeddable chat widget, no coding required Lead capture with email and phone Support ticket inbox for follow-up Answers grounded in your content via vector knowledge base Multi-language replies Live chat and human handover Analytics dashboard with conversation history White-label branding (Pro and above)	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	Answers only from your own content, says when it doesn't know Installs with one line of code, no developer or plugin needed Flat monthly price by tokens, not per-conversation charges Automatic language detection and multilingual replies	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)	3 no change since last check	53 +1 (up) since last check
Trust Flow (Majestic)	6	12
Citation Flow (Majestic)	19	39
Referring domains (Majestic)	6	572

5 details filled in for both companies.

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