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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
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A
TaglineVS Code fork that made AI coding actually work.Prompt to full song with vocals, instruments, the works.The fastest AI inference in the world. Crazy low latency.Google Docs with an AI collaborator baked in.
CategoryCodingAudioDev PlatformWriting
PricingFree + $20/mo Pro + $40/mo BusinessFree + $10/mo + $30/moFree tier + pay-as-you-go APIFree + $12/mo
Best forDevelopers. Non-developers who want to ship working code.Jingles, intros, demos, sketches, personal use.Developers who need sub-100ms LLM responses.Essays, long-form drafts, thinking on the page.
Strengths
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
Weaknesses
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Copyright gray zone
  • Audio quality behind studio
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
Kai's verdictS-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for speed. When latency is the product, start here.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.
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