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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
Lovable
A
HeyGen
S
Ideogram
S
TaglineGrammar check + tone + AI drafting, everywhere you type.Build a full app from a prompt. Stripe-ready.AI avatar videos. Record once, speak any language.The one that actually gets text in images right.
Categorywritingdesignvideoimage
PricingFree + $12-$15/mo Premium + team plansFree + $25-$100/moFree + $24-$65/moFree + $8/mo + $20/mo + $60/mo
Best forNon-native English writers, business email, anyone who types a lot.Non-devs + solopreneurs shipping MVPs.Course creators, multilingual marketers, anyone scaling video content.Anything with text — posters, ads, album covers, slide decks.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Complexity ceiling
  • Can generate brittle code
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Aesthetic ceiling below Midjourney
  • Less style variety
Kai's verdictA-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.S-tier for text-in-image. Use this for posters, Midjourney for art.
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