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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
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Grammarly
A
Lovable
A
Framer
A
Luma Dream Machine
A
TaglineGrammar check + tone + AI drafting, everywhere you type.Build a full app from a prompt. Stripe-ready.Design + publish sites with AI assists built in.Smooth, cinematic motion. Image-to-video specialist.
CategoryWritingDesignDesignVideo
PricingFree + $12-$15/mo Premium + team plansFree + $25-$100/moFree + $5-$30/moFree + $10-$500/mo
Best forNon-native English writers, business email, anyone who types a lot.Non-devs + solopreneurs shipping MVPs.Designers shipping marketing sites without engineers.Photographers animating stills, cinematic b-roll.
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
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Complexity ceiling
  • Can generate brittle code
  • Less flexible than raw code
  • Pricing per-site adds up
  • Prompt fidelity below Runway
  • Queue times on free tier
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.A-tier for designer-led sites. S-tier if animations matter.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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