Vercel AI SDKhttps://ai-sdk.dev/

Your landing page’s weakest score is Trust.

How Vercel AI SDK ranks

  1. 1.Vercel AI SDK74
  2. 2.assistant-ui73
  3. 3.CopilotKit67
  4. 4.Chainlit66
  5. 5.NLUX65
  6. 6.Deep Chat62
Fix Trust
74Growth scoreupdated

category scores

Trust64Value props72
category scoresShowHide
Trust64Value props72

Trust

64Fair

Proof that the product is real, competent, and safe to try.

Vercel AI SDK
assistant-ui
Trust read
Vercel AI SDKInteractive demo panel with "Text Generation / Image Generation / Speech / Transcription / Video Generation" tabs and a
assistant-ui12.3k GitHub stars • 1.3M weekly downloads • Backed by Y Combinator
CopilotKitIntegration grid showing Vue, Angular, React, iOS, Android, Slack, Teams, and WhatsApp icons
NLUXLive code demo tabs showing real App.tsx source with '@nlux/react' imports next to a working chat UI
ChainlitProduct demo panel showing a chat run: "Create a sales report for the last month of operations." with Step 1/Step 2 prog
Deep ChatLive interactive chat component demo in the hero ("What is Deep Chat?" / "A framework agnostic chat component.") with a

Value props

72Fair

Title, subtitle, hero — do they sell the product's true value?

Vercel AI SDK’s headline undersellsUniversal AI layer for building frameworks and agentsA unified TypeScript SDK for building AI apps with modern streaming, fallbacks, and multi-model support—powered by Vercel

Working

  • Subhead names TypeScript, streaming, fallbacks
  • npm install ai shows instant adoption path
  • Live demo tabs show the product working

Could improve

  • "Universal AI layer" is abstract jargon
  • No numbers: models, downloads, users
  • No emotional hook (lock-in, rewrites)

Mobile web

74Fair

The phone experience as a first-class citizen.

Vercel AI SDK mobile capture for Mobile web

What works

What to improve

Information hierarchy

78Fair

Does the design help or inhibit what the page is trying to say?

Vercel AI SDK desktop capture for Information hierarchy

What works

What to improve

CTA

84Strong

Copy, size, verb, cost-feel — does the primary CTA earn the click?

Vercel AI SDKin-product action

How Vercel AI SDK compares

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