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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
NotebookLM
S
Lovable
A
Google Veo
A
TaglineGrammar check + tone + AI drafting, everywhere you type.Google's research notebook. Turns your docs into a podcast.Build a full app from a prompt. Stripe-ready.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryWritingResearchDesignVideo
PricingFree + $12-$15/mo Premium + team plansFreeFree + $25-$100/moIncluded with Gemini Advanced $20/mo + YouTube creator tools
Best forNon-native English writers, business email, anyone who types a lot.Students, researchers, anyone with a stack of PDFs or a topic to learn.Non-devs + solopreneurs shipping MVPs.Gemini Advanced users, YouTube Shorts creators.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Upload anything, ask questions, get cited answers
  • Audio Overview turns docs into a 10-min podcast
  • Great for studying
  • Generates full apps + DB + auth
  • Good for non-developers
  • Ships faster than hand-coding
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Google-only
  • Can be slow on large corpora
  • Complexity ceiling
  • Can generate brittle code
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
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 study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs.A-tier. The strongest 'no-code' AI builder right now. Great for founder MVPs.A-tier if you already pay Gemini. B-tier standalone.
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