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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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Lex
A
Perplexity
S
Adobe Firefly
A
TaglineRun any open-source AI model with an API call.Google Docs with an AI collaborator baked in.AI search done right. Cited answers, not chat theater.Commercially safe image gen, deeply integrated with Photoshop.
Categorydev platformwritingresearchimage
PricingPay per second of computeFree + $12/moFree + $20/mo ProFree + included with Creative Cloud
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Essays, long-form drafts, thinking on the page.Replacing Google for any question where you want a cited answer in seconds.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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