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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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Windsurf
A
Cursor
S
Grammarly
A
Le Chat (Mistral)
B
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.VS Code fork that made AI coding actually work.Grammar check + tone + AI drafting, everywhere you type.French alternative. Fast, European, privacy-focused.
Categorycodingcodingwritingchat
PricingFree + $15/mo ProFree + $20/mo Pro + $40/mo BusinessFree + $12-$15/mo Premium + team plansFree + $15/mo Pro
Best forDevelopers who want Cursor-like power for less money.Developers. Non-developers who want to ship working code.Non-native English writers, business email, anyone who types a lot.European users with data residency needs. Fans of open-weight models.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Works in every browser/app
  • Now has generative AI (GrammarlyGO)
  • Tone detection + suggestions
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
Weaknesses
  • Smaller community
  • Model selection more limited
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Can feel naggy
  • Premium features gate basics
  • Privacy concerns (reads your writing)
  • Smaller capability gap vs frontier models
  • Less polished UX
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.
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