Categories: Text

What Is Perplexity AI? Understanding One Of Google’s Biggest Search Engine Competitors

What is Perplexity AI? Is it an over-hyped replacement for Google as a search engine, or do the LLM + search features already have real-world use cases?

Evaluating Perplexity on Language Models

This article is divided into two parts; they are: • What Is Perplexity and How to Compute It • Evaluate the Perplexity of a Language Model with HellaSwag Dataset Perplexity is a measure of how well a language model predicts a sample of text.

December 24, 2025

In "AI/ML Research"

A Lawsuit Against Perplexity Calls Out Fake News Hallucinations

In a new copyright lawsuit against AI startup Perplexity, Dow Jones and the New York Post argue that hallucinating fake news and attributing it to real papers is illegal.

October 22, 2024

In "AI/ML News"

The Super Weight in Large Language Models

Recent works have shown a surprising result: a small fraction of Large Language Model (LLM) parameter outliers are disproportionately important to the quality of the model. LLMs contain billions of parameters, so these small fractions, such as 0.01%, translate to hundreds of thousands of parameters. In this work, we present…

July 3, 2025

In "FAANG"

AI Generated Robotic Content