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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
Manus
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.Autonomous AI agent that actually finishes tasks.
CategoryImageCodingCodingAgents
PricingFree + $12-$60/moFree (limited) + $10/mo Pro + $19/mo BusinessFree (open source) + your API costsFree tier + $39-$199/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.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.
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
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
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
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
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 in the agent category. The first one I'd give to a non-technical friend.
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