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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
Adobe Firefly
A
Rows
A
Claude Agent SDK
S
TaglineGoogle Docs with an AI collaborator baked in.Commercially safe image gen, deeply integrated with Photoshop.Spreadsheets with AI + live integrations baked in.Anthropic's SDK for building your own agents on Claude.
CategoryWritingImageDataAgents
PricingFree + $12/moFree + included with Creative CloudFree + $19-$89/user/moAPI usage + SDK is free
Best forEssays, long-form drafts, thinking on the page.Anyone in Creative Cloud. Brands that need copyright clarity.Ops teams, marketers, anyone building dashboards from multiple sources.Developers building custom agents for their own company/product.
Strengths
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Developer-only
  • You build the UI
Kai's verdictA-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier inside Photoshop (Generative Fill). B-tier standalone.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.S-tier for builders. The right primitives. What Kai is built on under the hood.
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