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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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Meetings
Design
Productivity
Audio
Writing
Dev Platform
Data
Marketing
Education
Lex
A
OpenRouter
S
Recraft
S
Perplexity
S
TaglineGoogle Docs with an AI collaborator baked in.One API, every model. Pay-as-you-go, no subscriptions.Vector + raster AI for designers. Actually controls the output.AI search done right. Cited answers, not chat theater.
CategoryWritingDev PlatformImageResearch
PricingFree + $12/moPay per token — model-dependentFree + $12-$48/moFree + $20/mo Pro
Best forEssays, long-form drafts, thinking on the page.Developers experimenting across models. Apps that want fallback logic.Designers, brand teams, anyone needing vector output or tight style control.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Slight markup over direct API
  • Some provider features not exposed
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for model-shopping. I use this for every prototype before committing.S-tier for designers. The only one that takes vectors seriously.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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