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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
Google Veo
A
Claude Code
S
Leonardo.ai
A
TaglineSEO-first AI writer. Optimized for ranking content.Google's video model. Baked into Gemini + YouTube Shorts.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Gamer + creator image gen with model fine-tuning built in.
CategoryMarketingVideoCodingImage
PricingFree + $15-$99/moIncluded with Gemini Advanced $20/mo + YouTube creator toolsPart of Claude Pro/Max/Team plansFree + $12-$60/mo
Best forContent marketers churning out SEO articles.Gemini Advanced users, YouTube Shorts creators.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Indie game devs, illustrators, anyone training custom style models.
Strengths
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
Weaknesses
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • General output behind Midjourney
  • Can be overwhelming
Kai's verdictB-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.A-tier if you already pay Gemini. B-tier standalone.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier for creators training custom looks. B-tier for general use.
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