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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
GitHub Copilot
B
Perplexity
S
TaglineGamer + creator image gen with model fine-tuning built in.One API, every model. Pay-as-you-go, no subscriptions.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.AI search done right. Cited answers, not chat theater.
Categoryimagedev platformcodingresearch
PricingFree + $12-$60/moPay per token — model-dependentFree (limited) + $10/mo Pro + $19/mo BusinessFree + $20/mo Pro
Best forIndie game devs, illustrators, anyone training custom style models.Developers experimenting across models. Apps that want fallback logic.Teams with GitHub already. Devs who don't want to change IDEs.Replacing Google for any question where you want a cited answer in seconds.
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
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Slight markup over direct API
  • Some provider features not exposed
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Not a general chatbot
  • Answers can be shallow on complex topics
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.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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