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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
Cline
A
Claude Code
S
Flux (Black Forest Labs)
A
TaglineGamer + creator image gen with model fine-tuning built in.Open-source VS Code agent. Reads + writes + runs.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Open weights + strong photorealism. The open-source answer.
CategoryImageCodingCodingImage
PricingFree + $12-$60/moFree (open source) + your API costsPart of Claude Pro/Max/Team plansAPI + open weights (Schnell is Apache 2.0)
Best forIndie game devs, illustrators, anyone training custom style models.VS Code users who want agentic coding without changing IDEs.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Developers + power users who want control and privacy.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-tier for creators training custom looks. B-tier for general use.A-tier. Best free agentic option in VS Code. Use with Claude for best results.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. S-tier if you self-host. The reason open-source image gen matters.
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