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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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Elicit
S
Recraft
S
OpenRouter
S
Replicate
S
TaglineAI research assistant for academic literature.Vector + raster AI for designers. Actually controls the output.One API, every model. Pay-as-you-go, no subscriptions.Run any open-source AI model with an API call.
CategoryResearchImageDev PlatformDev Platform
PricingFree + $12-$42/moFree + $12-$48/moPay per token — model-dependentPay per second of compute
Best forGrad students, researchers, anyone doing literature reviews.Designers, brand teams, anyone needing vector output or tight style control.Developers experimenting across models. Apps that want fallback logic.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • 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
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Academic-only
  • Can hallucinate citations — verify everything
  • Less hyped than Midjourney
  • Learning curve for non-designers
  • Slight markup over direct API
  • Some provider features not exposed
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictS-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 model-shopping. I use this for every prototype before committing.S-tier for open-source model APIs. The default in this space.
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