Thesys vs Mnemosphere

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Thesys compared with Mnemosphere
Detail	Thesys	Mnemosphere
What it does	The open standard for Generative UI	AI research workspace with multiple top-tier models and powerful tools for deep research and analysis
Stage	Startup	Not given
Founded	2024	Not given
Based in	US	SG
Pricing model	Not given	Paid
Pricing	Free ($0/mo) with 3K API calls/month; Build ($49/mo) with 25K API calls/month; Grow ($499/mo) with 500K API calls/month; Scale (Custom). API calls included; LLM tokens billed separately at provider rates. Reports API: 100 pages free per month, then $0.01 per page.	Pro plan: $25/month. Ultra plan: higher tier with multi-model deep research, pro mindmaps, lite threads, up to 1000 messages per month, and personalized support. Both plans include 14-day money-back guarantee.
Key features	Interactive charts and visualizations Dynamic dashboard generation Real-time UI adaptation Reports and slides generation Multiple LLM support OpenUI Cloud with API key management Style customizations	Multi-model chat with all frontier models (GPT-5.5, Claude 4.6 Sonnet, Gemini 3.1 Pro, Grok 4.2, DeepSeek V4 Pro) Parallel prompts to run multiple models simultaneously Instant mindmaps to visualize complex ideas 1-click critique to improve AI outputs Inline highlighter and notes for capturing insights Chat with YouTube videos by pasting links Multiple deep researches across OpenAI, Gemini, and Perplexity Prompt Assist with power phrases for better prompts Lite Threads for quick clarifications without leaving main thread Conversation Index to navigate long chats easily
What makes it different	Open standard for Generative UI instead of proprietary solution No markup on LLM pricing - pay provider rates directly Zero data retention on paid plans Interfaces adapt to context and user intent in real-time	Access all frontier models in one workspace instead of juggling multiple subscriptions Compare models side-by-side and cherry-pick the best responses Instant mindmaps and visualizations instead of plain text responses Designed specifically for power users and deep research, not average users No free tier ensures professional, focused tool
Community votes	0	0
DR (Domain Rating by Ahrefs)	63 no change since last check	21 no change since last check
Trust Flow (Majestic)	27	4
Citation Flow (Majestic)	40	17
Referring domains (Majestic)	876	78

5 details filled in for both companies.

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