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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
Perplexity
S
Ideogram
S
Hugging Face
S
TaglineGrammar check + tone + AI drafting, everywhere you type.AI search done right. Cited answers, not chat theater.The one that actually gets text in images right.The GitHub of AI. Models, datasets, spaces — all in one.
CategoryWritingResearchImageDev Platform
PricingFree + $12-$15/mo Premium + team plansFree + $20/mo ProFree + $8/mo + $20/mo + $60/moFree + $9-$20/mo + enterprise
Best forNon-native English writers, business email, anyone who types a lot.Replacing Google for any question where you want a cited answer in seconds.Anything with text — posters, ads, album covers, slide decks.Any ML/AI developer. Hobbyists exploring open models.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • Largest open-source AI model hub
  • Hosted inference via Spaces + Inference Endpoints
  • Great community
Weaknesses
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Overwhelming for beginners
  • Hosted inference pricing varies
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 search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for text-in-image. Use this for posters, Midjourney for art.S-tier infrastructure. The one platform every AI dev eventually uses.
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