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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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S
Devin
A
Cursor
S
Suno
S
TaglineAI search done right. Cited answers, not chat theater.Cognition Labs' autonomous coding engineer.VS Code fork that made AI coding actually work.Prompt to full song with vocals, instruments, the works.
CategoryResearchAgentsCodingAudio
PricingFree + $20/mo Pro$500/moFree + $20/mo Pro + $40/mo BusinessFree + $10/mo + $30/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Engineering teams offloading tickets. Ops/platform work.Developers. Non-developers who want to ship working code.Jingles, intros, demos, sketches, personal use.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • 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
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Copyright gray zone
  • Audio quality behind studio
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-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.
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