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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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OpenRouter
S
Elicit
S
Recraft
S
Perplexity
S
TaglineOne API, every model. Pay-as-you-go, no subscriptions.AI research assistant for academic literature.Vector + raster AI for designers. Actually controls the output.AI search done right. Cited answers, not chat theater.
CategoryDev PlatformResearchImageResearch
PricingPay per token — model-dependentFree + $12-$42/moFree + $12-$48/moFree + $20/mo Pro
Best forDevelopers experimenting across models. Apps that want fallback logic.Grad students, researchers, anyone doing literature reviews.Designers, brand teams, anyone needing vector output or tight style control.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • 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
  • Exports SVG vectors — rare in AI image gen
  • Strong style control + consistency
  • Brand kit for consistent outputs
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Academic-only
  • Can hallucinate citations — verify everything
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.S-tier for academic research. Nothing else comes close for systematic reviews.S-tier for designers. The only one that takes vectors seriously.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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