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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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Cursor
S
Windsurf
A
Lex
A
ChatGPT
S
TaglineVS Code fork that made AI coding actually work.Codeium's agentic IDE. Cascade agent + strong free tier.Google Docs with an AI collaborator baked in.The default. Strongest ecosystem + best multimodal breadth.
Categorycodingcodingwritingchat
PricingFree + $20/mo Pro + $40/mo BusinessFree + $15/mo ProFree + $12/moFree + $20/mo Plus + $200/mo Pro
Best forDevelopers. Non-developers who want to ship working code.Developers who want Cursor-like power for less money.Essays, long-form drafts, thinking on the page.General use, voice chat, image generation, first-time AI users.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Great voice mode
  • Huge plugin/custom GPT ecosystem
  • Strong image generation (DALL-E built in)
  • Code Interpreter
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Smaller community
  • Model selection more limited
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Reasoning quality varies by mode
  • Can be verbose
  • Confabulates on niche facts
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier. Close second to Cursor. If $5/mo matters, start here.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier all-rounder. If you want one tool that does everything okay-to-great, this is it.
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