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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Coding
Agents
Research
Chatbots
Image
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Voice
Meetings
Design
Productivity
Audio
Writing
Dev Platform
Data
Marketing
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Framer
A
Perplexity
S
Lex
A
Groq
S
TaglineDesign + publish sites with AI assists built in.AI search done right. Cited answers, not chat theater.Google Docs with an AI collaborator baked in.The fastest AI inference in the world. Crazy low latency.
CategoryDesignResearchWritingDev Platform
PricingFree + $5-$30/moFree + $20/mo ProFree + $12/moFree tier + pay-as-you-go API
Best forDesigners shipping marketing sites without engineers.Replacing Google for any question where you want a cited answer in seconds.Essays, long-form drafts, thinking on the page.Developers who need sub-100ms LLM responses.
Strengths
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
Weaknesses
  • Less flexible than raw code
  • Pricing per-site adds up
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
Kai's verdictA-tier for designer-led sites. S-tier if animations matter.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for speed. When latency is the product, start here.
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