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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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audio
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Suno
S
Le Chat (Mistral)
B
GitHub Copilot
B
Runway
S
TaglinePrompt to full song with vocals, instruments, the works.French alternative. Fast, European, privacy-focused.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.The pro's AI video tool. Gen-4 is the current bar.
Categoryaudiochatcodingvideo
PricingFree + $10/mo + $30/moFree + $15/mo ProFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15-$95/mo
Best forJingles, intros, demos, sketches, personal use.European users with data residency needs. Fans of open-weight models.Teams with GitHub already. Devs who don't want to change IDEs.Marketing video, pitch decks, b-roll, creative shorts.
Strengths
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
Weaknesses
  • Copyright gray zone
  • Audio quality behind studio
  • Smaller capability gap vs frontier models
  • Less polished UX
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Expensive at scale
  • Still needs post-editing
Kai's verdictS-tier in its category. The first AI music tool I'd actually listen to.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier. Market leader with reason. Start here for serious video.
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