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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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Leonardo.ai
A
Cursor
S
Runway
S
Writesonic
B
TaglineGamer + creator image gen with model fine-tuning built in.VS Code fork that made AI coding actually work.The pro's AI video tool. Gen-4 is the current bar.SEO-first AI writer. Optimized for ranking content.
CategoryImageCodingVideoMarketing
PricingFree + $12-$60/moFree + $20/mo Pro + $40/mo BusinessFree + $15-$95/moFree + $15-$99/mo
Best forIndie game devs, illustrators, anyone training custom style models.Developers. Non-developers who want to ship working code.Marketing video, pitch decks, b-roll, creative shorts.Content marketers churning out SEO articles.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Most mature video workflow
  • Character consistency via Act-One
  • Gen-4 quality is production-grade
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Expensive at scale
  • Still needs post-editing
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
Kai's verdictA-tier for creators training custom looks. B-tier for general use.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier. Market leader with reason. Start here for serious video.B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
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