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I will develop chatgpt style custom ai chatbot agent for website or app


About this gig
Want to build your own ChatGPT-style custom AI chatbot agent for your website, app, or SaaS platform?
I will develop a custom AI chatbot trained on your own documents, knowledge base, or website content using Retrieval-Augmented Generation (RAG). Your chatbot will intelligently answer user queries using GPT-3.5 or GPT-4, tailored to your domain or business needs.
Features include:
- Content ingestion from PDF, DOCX, TXT, CSV
- Embedding and vector search with ChromaDB, Pinecone, or FAISS
- Smart backend using LangChain or LlamaIndex
- Clean and responsive UI with Next.js, Streamlit, or custom frontend
- Optional deployment for mobile apps, internal tools, or SaaS
Best for:
- Educators, coaches & course creators
- Startups & SaaS products
- Internal support or knowledge tools
- Personal or business automation
- Im an experienced AI developer focused on custom chatbot development. If you're ready to launch a powerful AI assistant tailored to your needs, lets get started!
Get to know Musaddik Rayat
Expert AI Developer, Custom RAG Agents, GPT Solutions, Building Smar
- FromBangladesh
- Member sinceMay 2022
Languages
Bengali, English, Hindi
My Portfolio
FAQ
What kind of files can you support?
I support PDF, DOCX, TXT, CSV, and scraped website content.
Is my data safe?
100% — your data is processed securely and stays private unless you request deployment.
Will the chatbot work offline?
The basic version does not require online calls, but GPT-based models require internet access.
Do I need an OpenAI API key to use this?
Yes, for the GPT-based chatbot (Standard and Premium), you'll need your own OpenAI API key. I’ll guide you through getting it if you don’t have one.
Can I update the chatbot with new documents later?
Definitely! I’ll show you how to add or update documents so your chatbot stays current.
Can this chatbot be embedded in my website?
Yes — in the Premium package, I can deliver the chatbot as a standalone web app or an embeddable widget for your site.
Can I use a different AI model like Claude or LLaMA?
Yes! I can integrate open-source or third-party models if available through API or local inference. Let me know your preferences before ordering.
What tech stack will you use?
Typically LangChain or LlamaIndex for orchestration, ChromaDB or Pinecone for vector storage, and OpenAI or HuggingFace for LLMs. The frontend is usually in Streamlit, React, or Next.js — depending on your needs.
Can you deploy the bot for me?
Yes — deployment to platforms like Vercel, Render, or DigitalOcean is included in the Premium package. I also offer custom deployment as a gig extra if needed.
Does this support multilingual documents?
Yes! The chatbot can handle and respond in multiple languages if the underlying model supports it (e.g., GPT-4 or Claude).

