I will build custom ai chatbot with rag, gpt and knowledge base integration
About this gig
Custom AI chatbots with RAG knowledge base, GPT & LangChain
Hi, Im Ghulam Mustafa experienced AI SaaS & Automation Developer.
I build intelligent AI chatbots that search and answer from your own data not generic web results.
Your bot can:
- Answer from PDFs, documents, website content, FAQs
- Work with internal knowledge bases
- Be deployed on web apps or SaaS
- Use OpenAI GPT + RAG architecture
My focus: real, reliable, production-ready AI assistants no toy bots.
What You Get:
- Custom RAG chatbot integration
- GPT-powered responses with accuracy
- LangChain pipeline
- Python backend
- Knowledge base indexing
- Deployment guidance
- Use Cases
- Customer support AI bot
- SaaS product chatbot
- Business internal assistant
- Document Q&A system
- E-commerce support bot
Tech Stack:
Python OpenAI GPT (GPT-4/4o) LangChain Vector DB (Pinecone/FAISS) REST API
Before You Order
Message me with your:
- Data source type (PDF, website, docs, etc.)
- Expected use case
- Deployment platform
This ensures the best solution from day 1.
Get to know Ghulam Mustafa
AI SaaS and Automation Developer, Custom AI Web Apps for Businesses
- FromPakistan
- Member sinceJul 2017
- Last delivery5 months
Languages
English, Urdu, Hindi, German
FAQ
What is RAG and why is it important?
RAG (Retrieval Augmented Generation) enables your chatbot to search your own data and deliver accurate, context-aware answers, not general internet responses.
Can I use this chatbot on my website?
Yes, I provide integration guidance or API access based on your platform.
Do you train the model on my data?
Yes, I configure RAG + GPT pipeline to index your knowledge securely.
Which data types are supported?
PDF, Word docs, website content, text files, and structured sources.
Is this production-ready?
Yes — we build scalable, secure systems intended for real users.
6 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (1) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
D defendercopilot

United States
Simply amazing work by Mustafa and his team. They have been patient and worked with me to get a full MVP build going that I am proud to be able to publish. Furthermore, they are continuing to support after the project is complete. They take great pride in the work they do so it is not shocking that they...
$2,000-$3,000
Price
4 months
Duration
M Seller's Response
Helpful?D defendercopilot

United States
Mustafa and his team did an amazing job. Anytime a bug arose we worked together on a call to solve it. They take pride in the work they do and treat your project like their own so it always comes out amazing. I will be using them going forward as my dev team.
$400-$600
Price
3 days
Duration
M Seller's Response
Helpful?D defendercopilot

United States
Reliable, communicative, and committed to achieving what he promises. This is the second time using Mustafa. I plan on coming back.
$100-$200
Price
2 weeks
Duration

M Seller's Response
Helpful?D defendercopilot

United States
Did a great job at the migration. Achieved the goal of allowing for a bigger file size upload and backending AWS. Additionally figured out why uploads are taking longer and offered a solution.
$200-$400
Price
4 days
Duration
M Seller's Response
Helpful?A 
amanzer

United States
This is my first time leaving a less than 5 star review on Fiverr. Mustafa is a good salesman, polite, proactive, but he and his team lack the ability to execute. And they are not skilled in AI. Period. The project stalled due to the fact that Mustafa required an exceptional amount of handholding, and...
$600-$800
Price
5 weeks
Duration
Helpful?
6 reviews for this Gig
| (5) | ||
| (0) | ||
| (0) | ||
| (1) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
D defendercopilot

United States
Simply amazing work by Mustafa and his team. They have been patient and worked with me to get a full MVP build going that I am proud to be able to publish. Furthermore, they are continuing to support after the project is complete. They take great pride in the work they do so it is not shocking that they...
$2,000-$3,000
Price
4 months
Duration
M Seller's Response
Helpful?D defendercopilot

United States
Mustafa and his team did an amazing job. Anytime a bug arose we worked together on a call to solve it. They take pride in the work they do and treat your project like their own so it always comes out amazing. I will be using them going forward as my dev team.
$400-$600
Price
3 days
Duration
M Seller's Response
Helpful?D defendercopilot

United States
Reliable, communicative, and committed to achieving what he promises. This is the second time using Mustafa. I plan on coming back.
$100-$200
Price
2 weeks
Duration

M Seller's Response
Helpful?D defendercopilot

United States
Did a great job at the migration. Achieved the goal of allowing for a bigger file size upload and backending AWS. Additionally figured out why uploads are taking longer and offered a solution.
$200-$400
Price
4 days
Duration
M Seller's Response
Helpful?A 
amanzer

United States
This is my first time leaving a less than 5 star review on Fiverr. Mustafa is a good salesman, polite, proactive, but he and his team lack the ability to execute. And they are not skilled in AI. Period. The project stalled due to the fact that Mustafa required an exceptional amount of handholding, and...
$600-$800
Price
5 weeks
Duration
Helpful?

