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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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Chatbots
Research
Coding
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Agents
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Elicit
S
GitHub Copilot
B
Figma AI
A
OpenRouter
S
TaglineAI research assistant for academic literature.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.AI features baked into the design tool you already use.One API, every model. Pay-as-you-go, no subscriptions.
CategoryResearchCodingDesignDev Platform
PricingFree + $12-$42/moFree (limited) + $10/mo Pro + $19/mo BusinessIncluded with Figma plansPay per token — model-dependent
Best forGrad students, researchers, anyone doing literature reviews.Teams with GitHub already. Devs who don't want to change IDEs.Designers already on Figma.Developers experimenting across models. Apps that want fallback logic.
Strengths
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
Weaknesses
  • Academic-only
  • Can hallucinate citations — verify everything
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Features vary by plan + region
  • Still rolling out
  • Slight markup over direct API
  • Some provider features not exposed
Kai's verdictS-tier for academic research. Nothing else comes close for systematic reviews.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. No reason not to use it if you're on Figma. Not worth switching for.S-tier for model-shopping. I use this for every prototype before committing.
LinkOpen →Open →Open →Open →