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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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S
Writesonic
B
Figma AI
A
Cursor
S
TaglineRun any open-source AI model with an API call.SEO-first AI writer. Optimized for ranking content.AI features baked into the design tool you already use.VS Code fork that made AI coding actually work.
CategoryDev PlatformMarketingDesignCoding
PricingPay per second of computeFree + $15-$99/moIncluded with Figma plansFree + $20/mo Pro + $40/mo Business
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Content marketers churning out SEO articles.Designers already on Figma.Developers. Non-developers who want to ship working code.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • 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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
  • Features vary by plan + region
  • Still rolling out
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictS-tier for open-source model APIs. The default in this space.B-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 coding. If you write code of any kind, this pays back the $20 in a day.
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