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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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Dev Platform
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Video
Audio
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Image
Meetings
Design
Productivity
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Data
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Grammarly
A
HeyGen
S
Galileo AI
B
Adobe Firefly
A
TaglineGrammar check + tone + AI drafting, everywhere you type.AI avatar videos. Record once, speak any language.Prompt to UI design. Figma-ready outputs.Commercially safe image gen, deeply integrated with Photoshop.
CategoryWritingVideoDesignImage
PricingFree + $12-$15/mo Premium + team plansFree + $24-$65/moFree trial + paid plansFree + included with Creative Cloud
Best forNon-native English writers, business email, anyone who types a lot.Course creators, multilingual marketers, anyone scaling video content.Designers brainstorming first drafts.Anyone in Creative Cloud. Brands that need copyright clarity.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Trained on licensed content — commercially safe
  • Generative Fill in Photoshop is incredible
  • Native to Adobe ecosystem
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Output needs designer polish
  • Pricing unclear / changes often
  • Aesthetic ceiling below Midjourney
  • Tied to Adobe subscription
Kai's verdictA-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.B-tier. Useful for first drafts. v0 is the better bet for shipping code.S-tier inside Photoshop (Generative Fill). B-tier standalone.
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