--- title: "SUMANTA KABIRAJ (@sumantablog) | Hashnode" description: "SUMANTA KABIRAJ (@sumantablog) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@sumantablog" --- @sumantablog # SUMANTA KABIRAJ @sumantablog · Kolkata, India · Joined March 2022 [Website](http://sumantakabiraj.com/) ### [Where RAG Fails: Understanding the Limitations of Retrieval-Augmented Generation](https://blog.sumantakabiraj.com/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation?utm_source=hashnode&utm_medium=feed) RAG (Retrieval-Augmented Generation) has become one of the most popular techniques for building AI applications that can answer questions using external knowledge. While it significantly improves the 9 min read · [blog.sumantakabiraj.com](https://blog.sumantakabiraj.com/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation?utm_source=hashnode&utm_medium=feed) [Jul 13](https://hashnode.com/posts/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation/6a550060871efb14fc5d176d) ### [How Does ChatGPT Actually Understand Your Questions?](https://blog.sumantakabiraj.com/how-does-chatgpt-actually-understand-your-questions?utm_source=hashnode&utm_medium=feed) You type a question, hit enter, and a few seconds later you get an answer that actually makes sense. It feels a little like magic. It isn't — it's math, a lot of it, running very fast. Here's what's r 6 min read · [blog.sumantakabiraj.com](https://blog.sumantakabiraj.com/how-does-chatgpt-actually-understand-your-questions?utm_source=hashnode&utm_medium=feed) [Jul 1](https://hashnode.com/posts/how-does-chatgpt-actually-understand-your-questions/6a44b95e83126af520031d74) ### [Decoding AI 🤖 Jargons with Chai ☕](https://blog.sumantakabiraj.com/decoding-ai-jargons-with-chai?utm_source=hashnode&utm_medium=feed) This blog is for you if AI jargon like "self-attention" or "tokenization" makes your head spin faster than a boiling kettle. Let's walk through these terms 6 min read · [blog.sumantakabiraj.com](https://blog.sumantakabiraj.com/decoding-ai-jargons-with-chai?utm_source=hashnode&utm_medium=feed) [Apr 8, 2025](https://hashnode.com/posts/decoding-ai-jargons-with-chai/67f50f01652af5df7a89ed7d)