Abhishek Kumar

@abhishek1331975

Music and Code

Greater NoidaJoined July 2025

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Abhishek Kumar's blogs

GPT to a 5-year oldgpt-to-a-5-year-old.hashnode.dev1 post

Teaching Vector Embedding to my Momteaching-vector-embedding-to-my-mom.hashnode.dev1 post

What really is Tokenization ?what-really-is-tokenization.hashnode.dev1 post

System Prompting - Types and Importancesystem-prompting-types-and-importance.hashnode.dev1 post

Thinking Models with CoT promptingthinking-models-with-cot-prompting.hashnode.dev1 post

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Recently published

AKAbhishek Kumaradvance-rag-pattern.hashnode.devAug 22, 2025 · 5 min read

Advanced RAG Patterns and Pipelines

If you hand a bright student a book and ask them a question, they’ll flip through the pages, find the right paragraph, and give you an answer. That’s essentially how Retrieval-Augmented Generation (RAG) works. But in reality, things aren’t that simpl...

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AKAbhishek Kumarrag-from-the-eyes-of-an-upsc-aspirant.hashnode.devAug 20, 2025 · 4 min read

Retrieval-Augmented Generation from an UPSC aspirant

The Analogy: Constitution and RAG Imagine the Indian Constitution. It is the supreme guiding text, but it is too vast for any individual to remember word-for-word. A UPSC aspirant or a judge cannot recall all 448 articles instantly. Instead, they: R...

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AKAbhishek Kumaragentic-ai-concept-and-tools.hashnode.devAug 18, 2025 · 5 min read

Agentic AI - Agents and Tools

\=> A bit History AI agents and agentic workflows have a rich history, transforming from early concepts to today’s sophisticated systems. The idea of AI agents started in the 1950s with the Turing Test and the birth of AI at the 1956 Dartmouth Confe...

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AKAbhishek Kumarthinking-models-with-cot-prompting.hashnode.devAug 15, 2025 · 3 min read

Creating Models in CoT Prompting

1. Introduction : What is Chain of Thought? Imagine asking a student, “What’s 47 × 23?” and they just blurt out “1081.” That’s a correct answer , but you have no idea how they got it.Now imagine the same student says: “47 × 23 means 47 × (20 + 3). Fi...

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AKAbhishek Kumarsystem-prompting-types-and-importance.hashnode.devAug 15, 2025 · 4 min read

System Prompting - Types and Importance

BackStory So, Let’s start with the analogy of - What really is System Prompting Analogy: Imagine you hire a chef. Before they start cooking, you tell them: “I want Italian food only.” “No spicy ingredients.” “Explain each step while cooking.” ...

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Abhishek Kumar

About

Available for

Abhishek Kumar's blogs

Recently published

Advanced RAG Patterns and Pipelines

Retrieval-Augmented Generation from an UPSC aspirant

Agentic AI - Agents and Tools

Creating Models in CoT Prompting

System Prompting - Types and Importance

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Abhishek Kumar

About

Available for

Abhishek Kumar's blogs

Recently published

Advanced RAG Patterns and Pipelines

Retrieval-Augmented Generation from an UPSC aspirant

Agentic AI - Agents and Tools

Creating Models in CoT Prompting

System Prompting - Types and Importance