Enable rapid, precise information retrieval for students and website visitors without exposing sensitive data to public AI services.
Case Study — Financial Services
Revolutionizing Customer Experience with PrivateGPT
- On-premise LLM
- Zero Trust & AES-256
- RAG & Vector Search
- Multi-language
Overview of the Client
Who we built this for
The client is an educational institution aiming to enhance information accessibility and user experience for students, faculty, and website visitors. The institution faced challenges in efficiently delivering topic-specific academic content, resulting in information overload on the website and difficulty in finding relevant resources. To address these issues, the institution sought an AI-powered solution capable of providing instant, accurate, and context-aware responses within a secure environment eliminating the need for manual searches, streamlining academic support, and improving overall student engagement.
What Client Needed
What the client needed to achieve
To create a PrivateGPT for closed environments that can:
Streamline user experience by providing instant, context-aware responses tailored to proprietary content (syllabus, documentation, product info).
Ensure compliance with data privacy and sovereignty regulations by deploying AI within a closed, on-premise environment.
Business Challenges
Where this build got difficult
Inefficient Information Search
Students and clients spent excessive time manually searching through books, chapters, or website pages to find specific information, leading to frustration and lost productivity.
Delayed Client Engagement
Website visitors often waited for email or phone responses, risking missed business opportunities due to slow information delivery.
Data Privacy Concerns
Existing public AI solutions posed risks of data leakage and non-compliance with regulations (e.g., GDPR, ISO 27001), especially when handling sensitive or proprietary content.
Lack of Customization
Off-the-shelf chatbots and search tools could not be tailored to the organization’s unique data, terminology, or compliance requirements.
What We Built
What we actually built
To address these challenges, we developed PrivateGPT, a tailored conversational AI solution leveraging advanced AI and machine learning technologies.
1
Deployment of PrivateGPT
- On-Premise LLM Framework: Deployed Llama 3 (Meta) as the base model, fine-tuned using PyTorch and Hugging Face Transformers for domain-specific tasks.
- Containerization: Hosted in a Kubernetes cluster (on-premise) using Docker for scalable, isolated microservices.
- Fine-Tuning Pipeline: Leveraged LoRA (Low-Rank Adaptation) to optimize model training on proprietary datasets (syllabi, product docs) with minimal compute overhead.
2
Retrieval Augmented Generation (RAG)
- Text Extraction: Apache Tika for parsing PDFs, Word docs, and web-scraped HTML.
- Vectorization: Used sentence-transformers (all-MiniLM-L6-v2) to convert text into embeddings.
- Vector Database: Stored embeddings in Pinecone for low-latency semantic search.
- Contextual Answering: Combined LangChain orchestration with Haystack pipelines to dynamically retrieve and synthesize answers from documents.
3
Secure Data Handling
- Network Isolation: Deployed within a Zero Trust Architecture using Tailscale for encrypted peer-to-peer connections.
- Data Encryption: Applied AES-256 for data-at-rest and TLS 1.3 for data-in-transit.
- Authentication: Integrated Keycloak for SSO and OAuth 2.0 with Active Directory/LDAP.
- Authorization: Enforced RBAC using Open Policy Agent (OPA) for granular permissions.
4
Multi-language Support
- NLP Libraries: Leveraged spaCy for multilingual named entity recognition (NER).
- Offline Translation: Deployed MarianMT models for on-device translation in restricted environments.
- Locale-Specific Tuning: Fine-tuned the LLM on parallel corpora (e.g., EUROPARL) for idiomatic accuracy.
5
Scalable Integration
- REST & GraphQL: Exposed endpoints via FastAPI (Python) and Apollo Server (Node.js).
- Asynchronous Workflows: Managed high-volume requests with Celery and RabbitMQ task queues.
- LMS Integration: Prebuilt connectors for Moodle and Canvas using LTI 1.3 standards.
- CRM Compatibility: Webhooks to sync with Salesforce and HubSpot for client engagement tracking.
Tech Stack
Core tech stacks we implemented
LLM Framework
Model Optimization
Containerization & Orchestration
Document Processing
RAG Orchestration
Conversational AI & NLP
LMS Integration
Experiment Tracking
Business Impact
What the assistant changed
The PrivateGPT solution empowered the client to deliver a transformative user experience for both students and clients:
Efficiency Gains
Students and website visitors could instantly access precise information, reducing search and response times by over 70%.
Enhanced Security
All data remained within the organization’s private infrastructure, ensuring full compliance with data privacy laws and eliminating the risk of external data leaks.
Customization and Control
The AI assistant was fine-tuned on proprietary data, providing contextually relevant answers and supporting industry-specific terminology and workflows.
Scalability
The solution was easily integrated across educational, corporate, and customer-facing platforms, supporting a wide range of use cases from student revision to customer support automation.
Core Achievements
Improved client engagement, reduced operational bottlenecks, and built organizational AI expertise, resulting in measurable ROI and a competitive edge.
Turning Tech Challenges into Solutions!
PrivateGPT demonstrates how secure, on-premise generative AI can revolutionize information access and user engagement while maintaining strict data governance and compliance.
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