The Efficiency Gap: Why Traditional Models Outshine LLMs for Simple ML Tasks

Anuj Agarwal
5 min readJul 16, 2024

In the era of artificial intelligence, Large Language Models (LLMs) like GPT-3, BERT, and their successors have captured the imagination of technologists and businesses alike. These powerful models have shown remarkable capabilities in natural language processing, generation, and even some reasoning tasks.

However, when it comes to simple categorization or other basic machine learning problems, particularly those involving structured data, LLMs often prove to be an expensive and inefficient solution.

I explore why traditional statistical models and simpler machine learning algorithms continue to be the go-to choice for many practical applications.

Computational Resources: The Heavyweight Champion vs. The Efficient Contender

LLMs are the heavyweight champions of the AI world, boasting billions of parameters and requiring substantial computational power. While this makes them incredibly versatile, it’s akin to using a sledgehammer to crack a nut when it comes to simple tasks.

Example: Imagine a small e-commerce business wanting to categorize customer reviews as positive or negative. An LLM like GPT-3 would require significant GPU resources and API costs for each…

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Anuj Agarwal

Director - Technology at Natwest. Product Manager and Technologist who loves to solve problems with innovative technological solutions.