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Thesys vs B12

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 B12
DetailThesys logo ThesysB12 logo B12
What it doesThe open standard for Generative UI Build websites, online stores, and web apps by chatting with AI
StageStartup Established
Founded2024 2016
Based inUS US
Pricing modelNot given Freemium
PricingFree ($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. Not given
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
  • AI-powered website generation from text prompts
  • Visual editor with AI chat for site customization
  • Payment processing and online invoicing
  • Email marketing and automation
  • Client intake forms and contact management
  • Contracts and eSignatures
  • Mobile-responsive websites
  • Traffic analytics and reporting
  • Expert Marketplace for designers and copywriters
  • Team collaboration and multi-user access
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
  • Websites generated in about two minutes from a text prompt without coding
  • Combination of AI automation with optional human expert support
  • Complete platform for websites, stores, and business operations in one place
  • No installation required, accessible from anywhere
Community votes00
DR (Domain Rating by Ahrefs)63 no change since last check80 no change since last check
Trust Flow (Majestic)2736
Citation Flow (Majestic)4046
Referring domains (Majestic)8766132

6 details filled in for both companies.

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