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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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research
coding
image
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design
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Perplexity
S
GitHub Copilot
B
Leonardo.ai
A
Writesonic
B
TaglineAI search done right. Cited answers, not chat theater.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Gamer + creator image gen with model fine-tuning built in.SEO-first AI writer. Optimized for ranking content.
Categoryresearchcodingimagemarketing
PricingFree + $20/mo ProFree (limited) + $10/mo Pro + $19/mo BusinessFree + $12-$60/moFree + $15-$99/mo
Best forReplacing Google for any question where you want a cited answer in seconds.Teams with GitHub already. Devs who don't want to change IDEs.Indie game devs, illustrators, anyone training custom style models.Content marketers churning out SEO articles.
Strengths
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • SEO built-in (Surfer integration)
  • Article generator for long-form
  • Chatsonic for research
Weaknesses
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • General output behind Midjourney
  • Can be overwhelming
  • Output quality behind Claude for polish
  • SEO automation can produce generic content
Kai's verdictS-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier for creators training custom looks. B-tier for general use.B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic.
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