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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
Figma AI
A
Replicate
S
TaglineSEO-first AI writer. Optimized for ranking content.AI features baked into the design tool you already use.Run any open-source AI model with an API call.
CategoryMarketingDesignDev Platform
PricingFree + $15-$99/moIncluded with Figma plansPay per second of compute
Best forContent marketers churning out SEO articles.Designers already on Figma.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
  • Features vary by plan + region
  • Still rolling out
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictB-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.A-tier. No reason not to use it if you're on Figma. Not worth switching for.S-tier for open-source model APIs. The default in this space.
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