Teasa 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.

Teasa compared with assistant-ui
Detail	Teasa	assistant-ui
What it does	Free AI character chat and roleplay with no sign-up	Open-source React components and runtimes for building AI chat
Stage	Not given	Not given
Founded	Not given	Not given
Based in	SG	US
Pricing model	Not given	Open source
Pricing	Free: Hojicha unlimited, 3 Matcha replies a day in most countries, free and unlimited direct messages with any character, short ads. Teasa Basic: $9.90 per month, no ads, 1,000 Matcha replies a week. Teasa Pass: $14.99 per month at beta price (or $4.99 per week), Matcha and Earl Grey unlimited, web	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	Play interactive stories with multiple AI characters in a cast Direct message any AI character one-on-one Relationship milestones track connection progress with characters Creator-written quests earn up to 50 gold per story Four chat styles: Hojicha, Matcha, Earl Grey and Oolong Character voices with 2-4 hours monthly on paid plans Create your own AI characters and stories in Creator Studio Import Character.AI chats and characters Web lookup for characters to search and share sources Play 4,137 stories in English across 9 languages	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 sign-up required to start playing Completely free with unlimited direct messages Characters remember you and grow closer through relationship milestones Interactive stories with player agency and multiple characters Available across web, iOS, Android and Windows	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)	16 −1 (down) since last check	53 +1 (up) since last check
Trust Flow (Majestic)	13	12
Citation Flow (Majestic)	34	39
Referring domains (Majestic)	61	572

5 details filled in for both companies.

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