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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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Grammarly
A
Claude Code
S
Adobe Firefly
A
Genspark
A
TaglineGrammar check + tone + AI drafting, everywhere you type.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Commercially safe image gen, deeply integrated with Photoshop.AI agent for deep search. Generates Sparkpages — full mini-reports.
CategoryWritingCodingImageResearch
PricingFree + $12-$15/mo Premium + team plansPart of Claude Pro/Max/Team plansFree + included with Creative CloudFree + $25/mo Plus
Best forNon-native English writers, business email, anyone who types a lot.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Anyone in Creative Cloud. Brands that need copyright clarity.Travel planning, shopping comparisons, deep research where you want an artifact back.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
Kai's verdictA-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier inside Photoshop (Generative Fill). B-tier standalone.A-tier. Bet on this one — the Sparkpage format is genuinely new.
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