You will get Build a Custom AI Chatbot with GPT, LangChain & RAG

5.0

Let a pro handle the details

Buy Generative AI services from Pankaj, priced and ready to go.
5.0

Let a pro handle the details

Buy Generative AI services from Pankaj, priced and ready to go.

Project details

Looking for a custom AI chatbot that actually understands your business? I build intelligent, production-ready chatbots and conversational AI assistants powered by the latest LLMs GPT-5, Claude, and open-source models like LLaMA.
Whether you need a customer-support bot that answers from your own documents, a lead-generation assistant for your website, or a multi-agent system that handles complex workflows, I deliver a solution that's accurate, scalable, and tailored to you.

What I build:
• Custom GPT & Claude-powered chatbots
• RAG chatbots trained on your docs, PDFs & knowledge base
• Multi-agent systems with LangChain & LangGraph
• Website, WhatsApp, Slack & Telegram integration
• Vector database setup (Pinecone, Qdrant, ChromaDB)
• Secure API integration & deployment

Why work with me:
✅ Top Rated Plus top 1% of talent on Upwork
✅ $100K+ earned across 89+ projects
✅ 9,900+ hours of proven delivery

✅ End-to-end: from concept to deployment & support
I focus on chatbots that reduce support load, capture leads, and respond accurately not generic templates. Message me with your idea and I'll recommend the best approach.
AI Algorithms
AdaBoost, AlexNet, Autoencoder, Convolutional Neural Network, CycleGAN, Deep Belief Network, Feedforward Neural Network, Gated Recurrent Unit, Large Language Model, Linear Discriminant Analysis
AI Applications
AI Chatbot, AI Content Creation, AI Mobile App Development, AI Text-to-Image, AI Text-to-Speech, AI-Enhanced Classification, AI-Enhanced Medical Imaging, AI-Generated Art, AI-Generated Code, AI-Generated Music, AI-Generated Video, AIOps
AI Development Language
Python
AI Tools
Adobe Firefly, Azure OpenAI, Bing AI, Copy.ai, GitHub Copilot, Gradio, Hugging Face, Jasper AI, Microsoft CNTK, NVIDIA AI Platform
AI Models
AlphaCode, BERT, BLOOM, ChatGPT, DALL-E, Dolly, GPT-3, GPT-4, GPT-J, GPT-Neo, Jurassic-2, LaMDA

What's included $200

These options are included with the project scope.

$200
  • Delivery Time 3 days
  • Number of Revisions 0
    • AI Model Integration
    • Batch Normalization
    • Database Integration
    • Detailed Code Comments
    • Image Upscaling
    • MLOps
    • Model Deployment
    • Model Documentation
    • Model Monitoring
    • Model Testing & Optimization
    • Model Tuning
    • Natural Language Processing
    • NLP Tokenization
    • Pre-Training
    • Prompt Engineering
    • Setup File
    • Source Code
5.0
3 reviews
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EG

Ernest G.
5.00
Jul 3, 2026
Ai Agent Excellent and Professional Work! Extremely helpful to a newbie like myself. Communication to notch.

GG

Gina G.
5.00
Jul 3, 2026
Singing and dancing kids eating cupcakes I will definitely rehire Pankaj again! His work is of a high standard and he is very experienced at what he does. He told me he could get it done and didn't stop until he achieved it. But the main reason I want to work with him again is that he is patient and willing to go out of his way to make me happy. I was able to get exactly what I needed for this reason. I requested that he lip-sync 4 children singing a children's song. This was a difficult and detailed request, but he managed to figure out a way to get it done to the point - the words of the song fit the mouths of the children perfectly. Therefore, I highly recommend him. His price is worth every penny!

AS

Adunola S.
5.00
Apr 11, 2026
AI Setup Help for Windows OS
Pankaj K.Status: Offline

About Pankaj

Pankaj K.Status: Offline
AI Agents | AI voice agent | AI chatbot | RAG | Openclaw
76% Job Success
5.0  (3 reviews)
Greater Noida, India - 2:47 pm local time
Inspired AI Engineer & Full-Stack Developer | IIT Guwahati Graduate | 5 Years Industry Experience

✅ IIT Guwahati Alumnus with 5 Years Enterprise & AI Experience (TCS, HCL Technologies)
✅ Expert in AI Agents, Agentic Workflows, AI Chatbot deployment, and GraphRAG Architecture
✅ Specialist in Custom Generative AI Solutions, AI Automation Setup, and Enterprise AI Integration
✅ Skilled in Python, FastAPI, Node.js, NestJS, Next.js, and Cloud Infrastructure
✅ Available 30+ hrs/week | Dedicated, reliable, and highly responsive
✅ Goal: Build a 100% Job Success Record on Upwork through top-tier engineering

🔴 I bring half a decade of production-level engineering experience scaling systems for global tech giants.
🔴 Transitioning to full-time freelance AI development investing my full focus, speed, and enterprise.

🔹 AI & LLM Skills
→ AI Agents / Agentic Workflows: LangGraph, CrewAI, OpenAI Agents SDK, Mastra, LangChain
→ Advanced RAG / Chatbot: GraphRAG, LlamaIndex, Knowledge Graphs, Neo4j, Custom GPT
→ AI Chatbot & Voice Agent: OpenAI Realtime WebSockets, ElevenLabs, VAPI, Low-latency Audio
→ OpenClaw & Engine Architecture: OpenClaw pipeline setups, Custom AI Engine Builds
→ Frontier & Edge Models: GPT-4o, Claude 3.5, Gemini 1.5, Llama 3.2, Phi-4, Ollama
→ Vector DBs & MLOps: LangSmith, Pinecone, Qdrant, Milvus, Chroma DB, Semantic Caching
→ Observability & Vector DBs: LangSmith, Pinecone, Qdrant, Milvus, Chroma DB

🖥️ Backend Skills
→ Python (FastAPI, Flask) | Node.js, Express.js, Nest.js
→ Real-Time Data Streaming: Kafka, Redis Streams, WebSockets
→ API Development & AI Integration: Secure RESTful APIs, gRPC, and GraphQL
→ Databases: PostgreSQL, Supabase, MongoDB, Redis (Semantic Caching)
→ DevOps, Cloud & MLOps: Docker, AWS (EC2, Lambda, S3, Bedrock), Vercel

🌐 Frontend Skills
→ React.js, Next.js 15 (App Router, Server Components)
→ TypeScript, Redux Toolkit, Tailwind CSS
→ Building highly responsive, secure, data-driven AI SaaS Dashboards & AI User Interfaces

🛠️ Tools & Technologies
→ ML libraries: Scikit-learn, Pandas, NumPy, PyTorch
→ LLM Fine-tuning & Optimization: LoRA, PEFT, Hugging Face Hub, Prompt Engineering, Prompt Optimization
→ Version Control & CI/CD: Git, GitHub Actions

🌟 Why Work With Me?
I am building my freelance portfolio after 5 years in enterprise engineering.
I deliver fast, communicate clearly, and charge fairly while I establish my Upwork presence.
Every project gets my full attention.

Warm regards,
Pankaj

Steps for completing your project

After purchasing the project, send requirements so Pankaj can start the project.

Delivery time starts when Pankaj receives requirements from you.

Pankaj works on your project following the steps below.

Revisions may occur after the delivery date.

Discovery & Scope

I will align on your chatbot's goals, data sources, target model, and where it will be deployed.

Data Prep & Setup

I prepare your knowledge base, set up the vector database, and build the RAG pipeline.

Review the work, release payment, and leave feedback to Pankaj.