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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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Writesonic
B
Suno
S
Google Veo
A
TaglineSEO-first AI writer. Optimized for ranking content.Prompt to full song with vocals, instruments, the works.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryMarketingAudioVideo
PricingFree + $15-$99/moFree + $10/mo + $30/moIncluded with Gemini Advanced $20/mo + YouTube creator tools
Best forContent marketers churning out SEO articles.Jingles, intros, demos, sketches, personal use.Gemini Advanced users, YouTube Shorts creators.
Strengths
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
Weaknesses
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
  • Copyright gray zone
  • Audio quality behind studio
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
Kai's verdictB-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.S-tier in its category. The first AI music tool I'd actually listen to.A-tier if you already pay Gemini. B-tier standalone.
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