Open-source ChatGPT clone templates for Next.js apps, streaming chat UIs, OpenAI chatbot starters, server-side model routes, and responsive AI assistant products.
Direct answer
A ChatGPT clone template is a Next.js starter for a familiar AI chat experience with a polished conversation UI, streaming responses, secure server-side API routes, and responsive layouts for desktop and mobile users.
Template collection
AI Agents Template
Last tested Jul 17, 2026
A Next.js JavaScript AI template that runs an Accounting Control Mapper and RAG Evidence Reviewer for accounting knowledge workflows.
AI Chatbot Template
Last tested Jul 17, 2026
A Together AI chatbot starter with a model dropdown, server-side Together TypeScript SDK route, scrollable mobile chat UI, starter prompts, and secure API key handling.
RAG Template
Last tested Jul 17, 2026
A Next.js RAG chatbot starter that lets users upload PDFs or text, create OpenAI embeddings, store vectors in Pinecone, retrieve source chunks, and answer questions with clickable citations.
Voice AI Template
Last tested Jul 17, 2026
A Next.js OpenAI Realtime appointment-setting agent for qualifying leads, offering appointment windows, checking consent, and drafting booking handoff notes.
AI Agents Template
Last tested Jul 17, 2026
A Next.js JavaScript AI template that runs a Collaboration Workflow Designer and Messaging Governance Reviewer for Slack and Teams AI workflows.
Voice AI Template
Last tested Jul 17, 2026
A Next.js OpenAI Realtime interview agent that runs structured candidate conversations with voice input, WebRTC audio, rubric-aware questioning, fair-hiring checks, and debrief notes.
Voice AI Template
Last tested Jul 17, 2026
A Next.js OpenAI Realtime sales agent that runs ERP discovery calls, maps buyer pain to product value, checks revenue claims, and drafts CRM-ready follow-ups.
Developer AI Template
A code explainer starter for teaching code paths, debugging notes, and refactor suggestions.
Developer AI Template
A documentation generator starter for README sections, API notes, and changelog drafts.
AI Copilot Template
An email assistant starter for reply drafting, tone control, and inbox triage.
Developer AI Template
A GitHub issue triage starter for labels, severity, reproduction notes, and routing.
Developer AI Template
A prompt optimizer starter for rewriting, scoring, and testing prompts before production use.
Developer AI Template
A SQL analyst starter for schema-aware query drafting and result explanation.
AI Chatbot Template
A Next.js Liquid AI chatbot starter powered through OpenRouter with a mobile responsive chat UI and server-side API route.
RAG Template
A legal document review RAG starter with risk summaries and non-lawyer guardrails.
RAG Template
A Notion-style knowledge-base RAG template for internal docs and team answers.
RAG Template
A PDF-focused RAG chatbot starter with context upload, cited answer scaffolding, and OpenAI fallback.
RAG Template
A research copilot RAG starter for notes, source snippets, and synthesis workflows.
RAG Template
A support documentation RAG chatbot for help centers, policy docs, and customer answers.
AI Agents Template
A research assistant starter using the OpenAI Agents SDK pattern with structured research briefs.
AI Chatbot Template
A Next.js OpenAI Responses API chatbot with streaming-ready server routing and offline demo fallback.
OpenRouter Chatbot Template
A canonical Next.js OpenRouter chatbot template for multi-model AI chat, free model experimentation, streaming responses, model variant comparison, and secure server-side OpenRouter 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, 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 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.
It is a reusable AI chat starter with a ChatGPT-style interface, streaming responses, server-side provider calls, and a responsive frontend.
Use the broader chatbot category for all chat assistants, and the ChatGPT clone category when you specifically want a familiar ChatGPT-style conversation product.
Yes. The UI and server route pattern can be adapted for OpenAI, OpenRouter, and other model providers when the template is structured cleanly.