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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
Rows
A
Cline
A
Writesonic
B
TaglineGamer + creator image gen with model fine-tuning built in.Spreadsheets with AI + live integrations baked in.Open-source VS Code agent. Reads + writes + runs.SEO-first AI writer. Optimized for ranking content.
CategoryImageDataCodingMarketing
PricingFree + $12-$60/moFree + $19-$89/user/moFree (open source) + your API costsFree + $15-$99/mo
Best forIndie game devs, illustrators, anyone training custom style models.Ops teams, marketers, anyone building dashboards from multiple sources.VS Code users who want agentic coding without changing IDEs.Content marketers churning out SEO articles.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • 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.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best free agentic option in VS Code. Use with Claude for best results.B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
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