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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
OpenRouter
S
Claude Code
S
Manus
S
TaglineGamer + creator image gen with model fine-tuning built in.One API, every model. Pay-as-you-go, no subscriptions.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Autonomous AI agent that actually finishes tasks.
CategoryImageDev PlatformCodingAgents
PricingFree + $12-$60/moPay per token — model-dependentPart of Claude Pro/Max/Team plansFree tier + $39-$199/mo
Best forIndie game devs, illustrators, anyone training custom style models.Developers experimenting across models. Apps that want fallback logic.Developers who want an agent, not autocomplete. Large refactors, tests, docs.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
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Slight markup over direct API
  • Some provider features not exposed
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • 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.S-tier for model-shopping. I use this for every prototype before committing.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.S-tier in the agent category. The first one I'd give to a non-technical friend.
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