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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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GitHub Copilot
B
Leonardo.ai
A
OpenRouter
S
Elicit
S
TaglineMicrosoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.Gamer + creator image gen with model fine-tuning built in.One API, every model. Pay-as-you-go, no subscriptions.AI research assistant for academic literature.
CategoryCodingImageDev PlatformResearch
PricingFree (limited) + $10/mo Pro + $19/mo BusinessFree + $12-$60/moPay per token — model-dependentFree + $12-$42/mo
Best forTeams with GitHub already. Devs who don't want to change IDEs.Indie game devs, illustrators, anyone training custom style models.Developers experimenting across models. Apps that want fallback logic.Grad students, researchers, anyone doing literature reviews.
Strengths
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • 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
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
Weaknesses
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • General output behind Midjourney
  • Can be overwhelming
  • Slight markup over direct API
  • Some provider features not exposed
  • Academic-only
  • Can hallucinate citations — verify everything
Kai's verdictB-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-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 for academic research. Nothing else comes close for systematic reviews.
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