Open Access

ARTICLE

Efficiency-Driven Custom Chatbot Development: Unleashing LangChain, RAG, and Performance-Optimized LLM Fusion

S. Vidivelli^*, Manikandan Ramachandran^*, A. Dharunbalaji

School of Computing, SASTRA Deemed University, Thanjavur, Tamilnadu, 613401, India

* Corresponding Authors: S. Vidivelli. Email: ; Manikandan Ramachandran. Email: