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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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Dev Platform
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Leonardo.ai
A
Perplexity
S
Aider
A
OpenRouter
S
TaglineGamer + creator image gen with model fine-tuning built in.AI search done right. Cited answers, not chat theater.Terminal-based AI pair programmer. Git-aware, model-flexible.One API, every model. Pay-as-you-go, no subscriptions.
CategoryImageResearchCodingDev Platform
PricingFree + $12-$60/moFree + $20/mo ProFree (open source) + whatever API you usePay per token — model-dependent
Best forIndie game devs, illustrators, anyone training custom style models.Replacing Google for any question where you want a cited answer in seconds.Developers who want open-source tooling with full control.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictA-tier for creators training custom looks. B-tier for general use.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.S-tier for model-shopping. I use this for every prototype before committing.
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