---
title: "Krish Mahyavanshi (@krish27m) | Hashnode"
description: "krish.m. Read the latest articles by Krish Mahyavanshi on Hashnode."
url: "https://hashnode.com/@krish27m"
---

@krish27m

# Krish Mahyavanshi

@krish27m · Joined October 2025

krish.m

### [From Local Inference to Infrastructure](https://krizh.hashnode.dev/from-local-inference-to-infrastructure?utm_source=hashnode&utm_medium=feed)

I started by running a 0.5B model on my 8 GB laptop, wondered why bigger models behaved differently, discovered parameters and quantization, then went into open-weight models, infrastructure, token economics, and somehow ended up learning economics through AI.

13 min read · [krizh.hashnode.dev](https://krizh.hashnode.dev/from-local-inference-to-infrastructure?utm_source=hashnode&utm_medium=feed)

[Aug 23](https://hashnode.com/posts/from-local-inference-to-infrastructure/6a8b15f781483cf17ff18597)

### [Where RAG Fails: Understanding the Limitations of Retrieval-Augmented Generation](https://krizh.hashnode.dev/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation?utm_source=hashnode&utm_medium=feed)

A beginner-friendly visual guide to Retrieval-Augmented Generation (RAG)—understand why it was introduced, how it works behind the scenes, where it fails, and when it isn't the right solution, all through simple real-world examples and illustrations.

7 min read · [krizh.hashnode.dev](https://krizh.hashnode.dev/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation/6a51f50c1bbdb92365450b38) [Jul 11](https://hashnode.com/posts/where-rag-fails-understanding-the-limitations-of-retrieval-augmented-generation/6a51f50c1bbdb92365450b38)

### [What Actually Happens After You Press Enter in ChatGPT?](https://krizh.hashnode.dev/what-actually-happens-after-you-press-enter-in-chatgpt?utm_source=hashnode&utm_medium=feed)

A beginner-friendly journey through tokenization, transformers, context windows and next-token prediction.

11 min read · [krizh.hashnode.dev](https://krizh.hashnode.dev/what-actually-happens-after-you-press-enter-in-chatgpt?utm_source=hashnode&utm_medium=feed)

[Jun 30](https://hashnode.com/posts/what-actually-happens-after-you-press-enter-in-chatgpt/6a4388a0e70b173486424e24)