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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
Lex
A
Suno
S
Ideogram
S
TaglineSEO-first AI writer. Optimized for ranking content.Google Docs with an AI collaborator baked in.Prompt to full song with vocals, instruments, the works.The one that actually gets text in images right.
CategoryMarketingWritingAudioImage
PricingFree + $15-$99/moFree + $12/moFree + $10/mo + $30/moFree + $8/mo + $20/mo + $60/mo
Best forContent marketers churning out SEO articles.Essays, long-form drafts, thinking on the page.Jingles, intros, demos, sketches, personal use.Anything with text — posters, ads, album covers, slide decks.
Strengths
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
Weaknesses
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Copyright gray zone
  • Audio quality behind studio
  • Aesthetic ceiling below Midjourney
  • Less style variety
Kai's verdictB-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier in its category. The first AI music tool I'd actually listen to.S-tier for text-in-image. Use this for posters, Midjourney for art.
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