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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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Groq
S
Grammarly
A
Ideogram
S
TaglineThe fastest AI inference in the world. Crazy low latency.Grammar check + tone + AI drafting, everywhere you type.The one that actually gets text in images right.
CategoryDev PlatformWritingImage
PricingFree tier + pay-as-you-go APIFree + $12-$15/mo Premium + team plansFree + $8/mo + $20/mo + $60/mo
Best forDevelopers who need sub-100ms LLM responses.Non-native English writers, business email, anyone who types a lot.Anything with text — posters, ads, album covers, slide decks.
Strengths
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
Weaknesses
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Aesthetic ceiling below Midjourney
  • Less style variety
Kai's verdictS-tier for speed. When latency is the product, start here.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.S-tier for text-in-image. Use this for posters, Midjourney for art.
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