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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
Sudowrite
S
GitHub Copilot
B
Gemini
A
TaglineGamer + creator image gen with model fine-tuning built in.AI writing tool built specifically for fiction writers.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Google's answer. Best integrated with Workspace + free for a lot.
Categoryimagewritingcodingchat
PricingFree + $12-$60/mo$19-$59/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $20/mo Advanced (bundled with 2TB Drive)
Best forIndie game devs, illustrators, anyone training custom style models.Novelists, screenwriters, fiction short-form writers.Teams with GitHub already. Devs who don't want to change IDEs.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Pricey for casual use
  • Fiction-only focus — not for business writing
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-tier for creators training custom looks. B-tier for general use.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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