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    Next.js AI templates & demo apps

    Ready-to-use Next.js AI demo apps and templates

    Perfect as a starting point for your next AI project, or if you're looking to add AI capabilities to your existing applications. Everything you need is included: user authentication, payments, database, AI features and more - so you can launch your app faster.

    Advanced AI Chat Assistant

    Intelligent conversational AI with advanced capabilities

    Demo app features
    • Use different AI models like GPT-4 and Claude in one place
    • Upload and analyze images with AI
    • Search the internet in real-time while chatting
    • Create and edit documents right in the chat
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • Vercel AI SDK
    • OpenAI
    • Anthropic
    • Groq
    • xAI
    • DeepSeek
    • Cloudflare R2 Storage
    • Serper API for web search
    • Jina AI for content extraction
    • Generative UI
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Advanced AI Chat Assistant thumbnail

    Chat with a PDF

    Upload and chat with PDFs

    Demo app features
    • Upload any PDF and chat with its contents
    • Ask questions about specific parts of the document
    • Get smart summaries of long documents
    • Save and access your document history anytime
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • LangChain
    • shadcn/ui
    • OpenAI Embeddings
    • RAG
    • Supabase Vector Store
    • pdf-parse
    • LangChain
    • Cloudflare R2
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Chat with a PDF  thumbnail

    Speech to text using Whisper

    Audio transcription & summarization

    Demo app features
    • Convert speech to text in many languages
    • Get text versions of audio files instantly
    • Identify different speakers in conversations
    • Create summaries of audio content
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • Whisper API
    • LLaMA 3.1
    • Cloudflare R2
    • Groq
    • Replicate
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Speech to text using Whisper thumbnail

    Text to lifelike speech

    Advanced text-to-speech synthesis

    Demo app features
    • Turn text into natural-sounding speech
    • Choose from over 1000 different voices
    • Create your own custom AI voice
    • Support for 26+ languages
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • ElevenLabs API
    • MediaRecorder API
    • Cloudflare R2
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Text to lifelike speech thumbnail

    Structured output with GPT-4o

    Generate structured output (JSON or text) with GPT

    Demo app features
    • Get AI responses in specific formats (like JSON)
    • Validate data structure automatically
    • Create custom templates for repeated tasks
    • Stream responses in real-time
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • OpenAI API
    • LangChain
    • shadcn/ui
    • Vercel AI SDK
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Structured output with GPT-4o thumbnail

    See with GPT-4o

    AI-powered image analysis

    Demo app features
    • Analyze multiple images at once
    • Get detailed descriptions of any image
    • Extract text from images
    • Ask questions about what's in images
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • OpenAI Vision API
    • Cloudflare R2
    • LangChain
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    See with GPT-4o thumbnail

    Images with SDXL

    High-quality AI image generation

    Demo app features
    • Create high-quality images from text descriptions
    • Generate multiple images at once
    • Customize image styles and looks
    • Create variations of existing images
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • Replicate API
    • Cloudflare R2
    • Sharp
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Images with SDXL thumbnail

    Images with DALL·E

    AI-powered image generation

    Demo app features
    • Create images from text descriptions
    • Generate professional-quality artwork
    • Make multiple versions of the same idea
    • Control the style and look of generated images
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • OpenAI API
    • Cloudflare R2
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    Images with DALL·E thumbnail

    JSON or text with LLaMA 3

    Structured data generation with LLaMA

    Demo app features
    • Get super-fast AI responses
    • Create structured data (like JSON) easily
    • Use custom templates for consistent results
    • Stream responses as they're being generated
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • Groq API
    • LangChain
    • Cloudflare R2
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    JSON or text with LLaMA 3 thumbnail

    JSON or text with Claude 3

    AI-powered business planning

    Demo app features
    • Get highly accurate structured responses
    • Create formatted data (JSON or text)
    • Use templates for consistent outputs
    • Get responses that follow exact rules
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • Anthropic API
    • shadcn/ui
    • LangChain
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    JSON or text with Claude 3 thumbnail

    JSON or text with xAI Grok

    AI-powered Product Hunt launch simulation

    Demo app features
    • Simulate Product Hunt launches with AI
    • Get predicted metrics and community reactions
    • Generate structured launch data
    • Analyze and optimize launch strategies
    Tech Stack
    • Next.js 14
    • React
    • TypeScript
    • Supabase
    • Tailwind CSS
    • shadcn/ui
    • Vercel AI SDK
    • xAI Grok API
    Complete SaaS Package

    Each demo includes everything else you need to launch your app:

    Auth & Database
    Payments (Stripe/LemonSqueezy)
    Landing Pages & UI components
    Emails (Loops)
    User Analytics
    Programmatic SEO ready
    JSON or text with xAI Grok thumbnail

    Understanding Next.js Templates & AI Apps

    What is boilerplate code, and why do I need it?

    Think of boilerplate code like the foundation of a house. It's the basic code you need to start any project - things like user login, payments, and database connections. While most boilerplates only give you these basics, AnotherWrapper goes way beyond that.

    We include 10 production-ready AI demo apps that cover every major AI functionality you might need:

    • Advanced chat with GPT-4, Claude, and LLaMA support
    • PDF analysis and chat using vector search
    • Speech-to-text with Whisper in 26+ languages
    • Text-to-speech with 1000+ voices using ElevenLabs
    • Image generation with DALL·E and Stable Diffusion
    • Image analysis with GPT-4 Vision
    • Structured data generation with JSON validation

    Each demo comes with all the building blocks you need, like authentication, file storage, error handling, and all the complex AI integrations already set up and working. It's like getting a complete AI development toolkit instead of just basic starter code.

    What exactly is an AI wrapper?

    When people talk about "AI wrappers," they mean apps built on top of AI services like OpenAI, Anthropic, or image models like Stable Diffusion. It's become a running joke in tech circles because if you think about it... everything in life is basically a wrapper around something else!

    Let's have some fun with this:

    • Netflix is just a wrapper around movies
    • Uber is a wrapper around cars
    • Banks are wrappers around your money
    • Restaurants are wrappers around food preparation
    • Schools are wrappers around education
    • Instagram is a wrapper around sharing photos
    • Spotify is a wrapper around music
    • Your phone is a wrapper around communication

    So when someone says "Oh, you're just building an AI wrapper" like it's a bad thing, remind them that every great product is a wrapper! Uber made it easier to get rides, Spotify made it easier to listen to music, and AI wrappers make it easier to use powerful AI technology.

    The core idea here is to make complex stuff simple and accessible for everyone.

    How do I build an AI wrapper?

    Building an AI wrapper requires several key components:

    • User authentication and account management
    • Secure API integrations with AI providers
    • Rate limiting and error handling
    • File storage and database setup
    • Payment processing for usage-based billing
    • Real-time streaming capabilities
    • Responsive user interface

    Setting this up from scratch typically takes 3-4 months of development time. AnotherWrapper provides all these components pre-built and integrated, saving you hundreds of hours of development and thousands in setup costs.

    2025 — built with 🤍 by Fekri