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Built with AI SDK · shadcn/ui · Next.js

© 2026 AI SDK Patterns

Reasoning Display

Show the AI's chain-of-thought reasoning in a collapsible thinking section, then display the final answer — like Claude's extended thinking.

chatintermediatereasoningthinkingchain-of-thoughttransparency

Loading interactive preview...

Installation

Option 1: Install via CLI

pnpm dlx shadcn@latest add https://ai-sdk-patterns.vercel.app/r/reasoning-display

Automatically installs the pattern and its dependencies in your project.

Option 2: Copy or Download

Download the complete pattern as a standalone Next.js project.

Usage

1. Set up environment variables

# .env.local
ANTHROPIC_API_KEY=your_anthropic_key
OPENAI_API_KEY=your_openai_key
GOOGLE_GENERATIVE_AI_API_KEY=your_google_key

Add your AI provider API key to enable real functionality.

2. Run the development server

npm run dev
# or
pnpm dev
# or
yarn dev

Open http://localhost:3000 to see the pattern in action.

3. Customize for your needs

The pattern is ready to use. Modify the components, API routes, and styling to fit your application.

  • Update the UI components in app/page.tsx
  • Modify API logic in app/api/
  • Adjust styling with Tailwind CSS classes
  • Add your own business logic and data sources

Use Cases

Educational Tutoring Systems

Create teaching AI that shows step-by-step problem-solving, helping students understand reasoning process.

Medical Diagnosis Assistants

Build tools that display diagnostic reasoning, symptom analysis, and treatment decision processes for medical professionals.

Legal Analysis Platforms

Develop systems that show legal reasoning, case analysis, and conclusion processes for lawyers and paralegals.

Financial Advisory Tools

Create investment advisors that display market analysis reasoning, risk assessment, and recommendation logic.

Technical Details

Dependencies

• Next.js 16+ (App Router)
• AI SDK v6
• React 18+
• Tailwind CSS
• TypeScript

Files Included

• app/page.tsx
• app/api/reasoning/route.ts

Related patterns

Streaming Chat

Stream text responses from AI models in real-time using streamText and the useChat hook.

Markdown Chat

A polished chat interface with rich markdown rendering — code blocks with syntax highlighting, tables, lists, headings, and inline formatting.

Interactive Demo Coming Soon

The reasoning-display pattern demo is being prepared.

Download the pattern to try it with your API key