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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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Devin
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Suno
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Descript
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Cursor
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TaglineCognition Labs' autonomous coding engineer.Prompt to full song with vocals, instruments, the works.Edit video + podcasts by editing the transcript.VS Code fork that made AI coding actually work.
Categoryagentsaudiovideocoding
Pricing$500/moFree + $10/mo + $30/moFree + $16-$50/moFree + $20/mo Pro + $40/mo Business
Best forEngineering teams offloading tickets. Ops/platform work.Jingles, intros, demos, sketches, personal use.Podcasters, course creators, anyone editing talking-head content.Developers. Non-developers who want to ship working code.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Edit audio/video by deleting text
  • Overdub (voice clone) for fixes
  • Strong collaboration + remote recording
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Copyright gray zone
  • Audio quality behind studio
  • Not a traditional NLE — some workflows awkward
  • Overdub ethics require care
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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