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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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Perplexity
S
Grammarly
A
Adobe Firefly
A
TaglineAI search done right. Cited answers, not chat theater.Grammar check + tone + AI drafting, everywhere you type.Commercially safe image gen, deeply integrated with Photoshop.
CategoryResearchWritingImage
PricingFree + $20/mo ProFree + $12-$15/mo Premium + team plansFree + included with Creative Cloud
Best forReplacing Google for any question where you want a cited answer in seconds.Non-native English writers, business email, anyone who types a lot.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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