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$
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I will build an ai chatbot that answers questions from your PDF document
Asadullah Khan
About this gig
Do you have manuals, reports, contracts, or research papers that nobody has time to read?
I'll build a system where you (or your team) can ask questions in any language and get accurate answers pulled directly from your documents.
THE PROBLEM I SOLVE
- Searching through 200-page PDFs manually
- Asking ChatGPT and getting hallucinated answers
- Hiring someone just to summarize documents
- Losing time on information that's already somewhere in your files
THE SOLUTION
- A RAG (Retrieval-Augmented Generation) system that reads your documents, stores them in a vector database, and uses GPT to answer questions from the actual content only.
- No made-up answers. Sources cited.
- Runs on your data, privately.
WHAT'S BUILT
- Uploads and reads your documents automatically
- Finds the most relevant section for any question
- Gives you answers with the exact source cited
- Runs privately on your data, nothing sent to strangers
- Works via web interface or API, your choice
USE CASES
- Legal firms search contracts and case files
- HR teams query policy and compliance docs
- Research ask questions across papers/reports
- SaaS products add document Q&A as a feature
- Internal teams company knowledge base
Get to know Asadullah Khan
Asadullah Khan
AI Engineer, LLM, RAG Systems, Voice AI, Python Backend
- FromPakistan
- Member sinceOct 2021
Languages
Urdu, English, Spanish, German
Buried in PDFs?
Drowning in support tickets?
Repeating the same manual tasks every day?
I build the AI system that fixes it.
I specialize in:
→ AI chatbots that answer customers 24/7
→ RAG systems to search any document instantly
→ Automation that eliminates manual work
→ Voice AI for calls and support
My work goes into production. Not prototypes.
Built clean, documented, and delivered on time.
Tech: Python · FastAPI · LangChain · OpenAI · n8n · ChromaDB · Pinecone · React
Let's talk about what you need built.
My Portfolio
FAQ
Do I need technical knowledge to use the system you build?
No. I deliver everything working and documented. If it's a web interface, you just open the link and start asking questions. If it's an API, I provide clear instructions for your developer. I also offer a walkthrough call on delivery.
Will my documents and data stay private?
Yes. Your files are processed locally or within your own infrastructure. I do not store, share, or use your documents for any purpose beyond building your system. You own everything — the data, the code, and the vector database.
What if the AI gives a wrong answer?
RAG systems answer only from your documents — they don't guess or make things up like standard ChatGPT. Every answer includes a source citation showing which document and section it came from. If it doesn't find an answer, it says so honestly rather than fabricating one.
Do I need to pay for OpenAI separately?
Yes — the OpenAI API is a separate cost you pay directly to OpenAI. For typical document Q&A usage, this is usually $5–$20/month depending on volume. I can also build with free/open-source models (Ollama, local LLMs) if you prefer zero ongoing API costs — just mention this when ordering.
Can it handle formats other than PDF?
Yes. I can process PDF, Word (.docx), plain text (.txt), Excel/CSV, and web pages. If you have a specific format, message me before ordering and I'll confirm compatibility.
What do I get after delivery?
Depending on your package: - Working system (API endpoint or web interface) - Source code (all packages) - Setup and usage documentation - A short video walkthrough of how it works - Support window for questions after delivery
