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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
Aider
A
Ideogram
S
TaglineGrammar check + tone + AI drafting, everywhere you type.Terminal-based AI pair programmer. Git-aware, model-flexible.The one that actually gets text in images right.
CategoryWritingCodingImage
PricingFree + $12-$15/mo Premium + team plansFree (open source) + whatever API you useFree + $8/mo + $20/mo + $60/mo
Best forNon-native English writers, business email, anyone who types a lot.Developers who want open-source tooling with full control.Anything with text — posters, ads, album covers, slide decks.
Strengths
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • 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)
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • 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 right answer if you want open-source + terminal-native + model-agnostic.S-tier for text-in-image. Use this for posters, Midjourney for art.
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