The Bhagavad Gita AI project presents an innovative fusion of ancient spiritual philosophy and modern Artificial Intelli- gence. The system is built on a Next.js 14 and React 18 frontend, a Python FastAPI backend, and Hugging Face Transformer models— fine-tuned BERT and GPT-2—as the core AI engine, with a FAISS vector index serving as the semantic knowledge store. The platform creates a digital spiritual companion capable of offering guidance, reflection, and ethical insight in real time. By leveraging Natural Language Processing (NLP), semantic similarity search, and domain-adapted language models, the system interprets Sanskrit verses and responds intelligently to user queries with contextual, value-based interpretations. Through multilingual capabilities and adaptive response modelling, the AI enables personalised engagement with sacred texts, fostering self-awareness, emotional stability, and mental wellness. The proposed system achieves semantic accuracy of 91.4%, a contextual recall improvement of 32% over baseline keyword search, and 87% user satisfaction, validating its effectiveness as a responsible, human-centric AI solution for democratising ancient Indian wisdom in the modern digital age.
Introduction
The text describes Bhagavad Gita AI, an intelligent spiritual guidance system that leverages AI and modern web technologies to make the teachings of the Bhagavad Gita accessible interactively. The Gita, with 700 Sanskrit verses across 18 chapters, offers guidance on karma, dharma, devotion, and self-realization, but traditional access is limited by language and interpretive complexity. This system addresses that by combining semantic AI, web frameworks, and a full-stack architecture for real-time, personalized interaction.
Key components and methodology include:
Frontend (Next.js 14 + React 18): Provides a responsive, interactive chat interface, verse explorer, and feedback UI. State management is handled by Zustand, with React Query for asynchronous data fetching. Tailwind CSS with ShadCN ensures accessibility and responsive design.
Backend (Python FastAPI): Orchestrates the AI pipeline, handling query preprocessing, semantic search, and response generation. It exposes a stateless REST API endpoint (POST /infer) and supports scalable cloud deployment.
AI Engine (Hugging Face Transformers):
Sentence-BERT: Converts queries into 768-dimensional embeddings for semantic similarity search against all 700 verses.
GPT-2: Fine-tuned on 2,000 Gita-based QA pairs to generate contextual, verse-grounded responses.
Semantic Knowledge Store (FAISS): Precomputed Sentence-BERT embeddings allow sub-second retrieval of top-5 semantically relevant verses. A BM25 fallback ensures responses if semantic similarity falls below threshold.
Data Flow: Queries travel from the frontend to FastAPI, undergo preprocessing, embedding, FAISS search, and GPT-2 response generation, then return structured JSON with verse references and AI guidance.
Implementation highlights:
Verse corpus includes Sanskrit originals, transliterations, and English translations.
Models fine-tuned for spiritual Q&A with high semantic accuracy (91.4%) and user satisfaction (87%).
Frontend and backend are decoupled, enabling responsive, real-time interaction, scalable deployment, and structured response delivery.
Overall, the system transforms passive scripture reading into interactive, personalized spiritual engagement, allowing users to ask questions in natural language and receive contextually accurate, verse-grounded guidance. It effectively bridges traditional philosophy with modern AI and web technologies.
Conclusion
This paper presented the Bhagavad Gita AI—an Intelligent Spiritual Guide—built on Next.js 14, React 18, Python FastAPI, and Hugging Face Transformer models. The system demon- strates how a modern full-stack web architecture combined with domain-adapted NLP models can make ancient philosophical wisdom interactive, personalised, and universally accessible.
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