TemplateAI is a NextJS boilerplate for building full-stack AI applications quickly. It eliminates boilerplate setup by providing pre-configured authentication (magic link and Google OAuth), Stripe payments, Supabase database and storage, and AI model integrations including OpenAI, Groq, Claude for text generation, and Replicate for image generation. The template includes a landing page, dashboard components, API routes, and vector search with LangChain and Supabase pgvector. It is designed for developers who want to skip repetitive setup and focus on AI features.