Medium

Gayathri Seshadri

Gayathri Seshadri

·

Oct 27

“I Only Love You” vs “I Love Only You”: Why Word Order Breaks AI (and How Positional Embeddings Fix…

Same words. Same letters. Completely different meaning. Here’s the tiny trick that teaches ChatGPT-style models the difference.

“I Only Love You” vs “I Love Only You”: Why Word Order Breaks AI (and How Positional Embeddings Fix…

Gayathri Seshadri

·

Oct 21

Why Every Engineer Starting Out in AI Should Understand Tokenization

Five practical ways the first step of an LLM affects cost, product quality and your interviews

Why Every Engineer Starting Out in AI Should Understand Tokenization

Gayathri Seshadri

·

Oct 16

How LLMs Learn From Raw Text: Building Input–Target Pairs with a Sliding Window

Part of a series on building a large language model from scratch. You can read this post on its own: every term is explained as it comes…

How LLMs Learn From Raw Text: Building Input–Target Pairs with a Sliding Window

Gayathri Seshadri

·

Oct 12

Why Your LLM Doesn’t Read Words: A Plain-English Guide to Token Embeddings

Computers only understand numbers. Here’s how large language models turn words into numbers that actually carry meaning.

Why Your LLM Doesn’t Read Words: A Plain-English Guide to Token Embeddings

Gayathri Seshadri

·

Oct 6

Byte Pair Encoding: How GPT Models Read Text

Why GPT doesn’t read words or letters, but something in between.

Byte Pair Encoding: How GPT Models Read Text

In

Stackademic

by

Gayathri Seshadri

·

Sep 29

LLM Tokenization, Explained From Scratch

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LLM Tokenization, Explained From Scratch

In

Stackademic

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Gayathri Seshadri

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Sep 16

What Are Transformers? A Beginner’s Guide to the Architecture Behind ChatGPT

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What Are Transformers? A Beginner’s Guide to the Architecture Behind ChatGPT

In

Stackademic

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Gayathri Seshadri

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Jul 13

Beyond Search-and-Replace: 5 Surprising Ways OpenRewrite is Automating the Death of Technical Debt

The 15-Year Migration Nightmare

Beyond Search-and-Replace: 5 Surprising Ways OpenRewrite is Automating the Death of Technical Debt

In

Stackademic

by

Gayathri Seshadri

·

Jul 6

From Demo to Disaster: 5 Hard Truths About Scaling AI Agents in 2026

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From Demo to Disaster: 5 Hard Truths About Scaling AI Agents in 2026

In

Stackademic

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Gayathri Seshadri

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Jun 19

The Evolution of Autonomy

5 Impactful Truths About the New Era of AI Agents

The Evolution of Autonomy

Gayathri Seshadri

Gayathri Seshadri

Software Developer with a love, passion and joy for life. I write about AI,life, love, philosophy and growth

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