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Dive into a collection of past posts and rediscover timeless content.

AI Engineering

The 1 million token lie.

Jan 15, 2026

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5 min read

The 1 million token lie.

Issue #015: Why "Lost in the Middle" is killing your retrieval accuracy.

Harsh Kathiriya
Harsh Kathiriya

AI Engineering

Run GPT-4 class AI on your laptop.

Jan 14, 2026

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5 min read

Run GPT-4 class AI on your laptop.

Issue #014: The 4-bit quantization miracle. Stop paying for cloud GPUs.

Harsh Kathiriya
Harsh Kathiriya

AI Engineering

You don't need a Ferrari to buy groceries.

Jan 13, 2026

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5 min read

You don't need a Ferrari to buy groceries.

Issue #013: Stop using GPT-4 for everything. The "Model Router" pattern.

Harsh Kathiriya
Harsh Kathiriya

AI Engineering

The zero-dollar query

Jan 12, 2026

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5 min read

The zero-dollar query

Issue #012: Why you are paying twice for the same answer.

Harsh Kathiriya
Harsh Kathiriya

System Design

The art of doing nothing

Jan 11, 2026

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4 min read

The art of doing nothing

Issue #011: Why retrying a failed API call shouldn't cost you double.

Harsh Kathiriya
Harsh Kathiriya

System Design

+1

The "SQL Monkey" is dead.

Jan 10, 2026

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5 min read

The "SQL Monkey" is dead.

Issue #010: Why specializing in one tool is a career risk in 2026 + The "Full-Stack Data" roadmap.

Harsh Kathiriya
Harsh Kathiriya

Career & Mindset

I accidentally hacked my client.

Jan 9, 2026

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5 min read

I accidentally hacked my client.

Issue #009: Why "It works" is not a valid security argument + The AI Tools

Harsh Kathiriya
Harsh Kathiriya

Architecture

Stop parsing regex to LLM

Jan 8, 2026

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5 min read

Stop parsing regex to LLM

Issue #008: Strings are for humans. JSON is for machines. + the latest tech releases at CES 2026

Harsh Kathiriya
Harsh Kathiriya

AI Engineering

Your Vector DB is fast. It is also dumb.

Jan 7, 2026

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5 min read

Your Vector DB is fast. It is also dumb.

Issue #007: Why "Cosine Similarity" isn't enough & the 2-Stage Retrieval Pattern.

Harsh Kathiriya
Harsh Kathiriya

AI Engineering

Vectors are not Magic!

Jan 6, 2026

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5 min read

Vectors are not Magic!

Issue #006: Why your RAG bot can't find "Error 505" & the math behind Hybrid Search.

Harsh Kathiriya
Harsh Kathiriya
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Daily engineering deep-dives at the intersection of Big Data and AI.

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