Open-source Next.js OpenAI templates for ChatGPT clone apps, OpenAI Responses API starters, OpenAI embeddings, RAG chatbots, and OpenAI Agents SDK workflows.
Direct answer
A Next.js OpenAI template is a starter app that keeps OpenAI credentials server-side while exposing a polished UI for chat, retrieval, embeddings, agents, or realtime voice. It helps developers build OpenAI-powered AI products without rebuilding the same application plumbing.
Template collection
AI Chatbot Template
A full-stack JavaScript starter for building a ChatGPT-style application with Next.js App Router, OpenRouter SDK streaming, cohere/north-mini-code:free, mobile responsive chat UI, and server-side API key handling.
AI Chatbot Template
A full-stack JavaScript starter for building a ChatGPT-style application with Next.js App Router, OpenRouter SDK streaming, openai/gpt-oss-120b, mobile responsive chat UI, and server-side API key handling.
AI Chatbot Template
A full-stack JavaScript starter for building a multi-agent ChatGPT-style application with Next.js App Router, OpenRouter SDK streaming, nvidia/nemotron-3-super-120b-a12b:free, reasoning-enabled responses, mobile responsive chat UI, and server-side API key handling.
AI Chatbot Template
A full-stack JavaScript starter for building a ChatGPT-style chatbot with Next.js App Router, OpenRouter SDK streaming, the openrouter/free router, mobile responsive UI, and server-side API key handling.
AI Chatbot Template
A full-stack JavaScript starter for building a ChatGPT-style application with Next.js App Router, OpenRouter SDK streaming, poolside/laguna-m.1:free, mobile responsive chat UI, and server-side API key handling.
AI Chatbot Template
A full-stack JavaScript starter for building a ChatGPT-style multimodal chatbot with Next.js App Router, OpenRouter SDK streaming, image URL input, mobile responsive UI, and server-side API key handling.
Voice AI Template
A full-stack JavaScript starter for building realtime browser voice agents with Next.js App Router, OpenAI Agents SDK, Realtime WebRTC sessions, ephemeral client secrets, live audio transcripts, multi-agent handoffs, and server-side API key handling.
AI Agents Template
A Next.js template using the OpenAI Agents SDK to send a raw prompt through a Prompt Analyzer Agent and then a Research Agent, exposing each stage in a clean workflow UI.
AI Chatbot Template
A full-stack JavaScript starter for building a ChatGPT-style application with Next.js App Router, OpenAI Responses API streaming, a model selector, mobile responsive chat UI, and server-side API key handling.
RAG Template
A retrieval-augmented chatbot starter that lets users upload or paste knowledge, chunk documents, create OpenAI embeddings, retrieve relevant evidence, and answer questions with citations.
The collection includes a ChatGPT clone, RAG chatbot, AI Agents Starter, and Voice AI Agents template for different OpenAI application patterns.
Yes. The templates are structured around server-side routes or session setup so provider credentials are not exposed directly in the browser.
Use the RAG Chatbot template for OpenAI embeddings, document chunking, retrieval, and cited answers.
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