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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
GitHub Copilot
B
Cline
A
Sudowrite
S
TaglineGamer + creator image gen with model fine-tuning built in.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Open-source VS Code agent. Reads + writes + runs.AI writing tool built specifically for fiction writers.
CategoryImageCodingCodingWriting
PricingFree + $12-$60/moFree (limited) + $10/mo Pro + $19/mo BusinessFree (open source) + your API costs$19-$59/mo
Best forIndie game devs, illustrators, anyone training custom style models.Teams with GitHub already. Devs who don't want to change IDEs.VS Code users who want agentic coding without changing IDEs.Novelists, screenwriters, fiction short-form writers.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Brainstorm, expand, rewrite modes designed for fiction
  • Story Bible for character + plot tracking
  • Understands voice + tone better than generic chatbots
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Pricey for casual use
  • Fiction-only focus — not for business writing
Kai's verdictA-tier for creators training custom looks. B-tier for general use.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier for fiction. If you're writing a novel, this beats raw ChatGPT every time.
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