How do you fact-check an AI?

April 11, 2025 Ryan chats with Amr Awadallah, founder and CEO of GenAI platform Vectara about how retrieval-augmented generation (RAG) has advanced, why fact-checking and accurate data are essential in building AI applications, and how Vectara’s Mockingbird model seeks to minimize hallucinations. Credit: Alexandra Francis Vectara is a platform-as-a-service that allows users to build AI […]

1 min read

Terrified and Long

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3 mins read

A Gentle Introduction to Graph Neural Networks

This article is one of two Distill publications about graph neural networks. Take a look at Understanding Convolutions on Graphs to understand how convolutions over images generalize naturally to convolutions over graphs. Graphs are all around us; real world objects are often defined in terms of their connections to other things. A set of objects, […]

59 mins read

LLM pricing calculator (updated)

LLM pricing calculator (updated). I updated my LLM pricing calculator this morning (Claude transcript) to show the prices of various hosted models in a sorted table, defaulting to lowest price first. Amazon Nova and Google Gemini continue to dominate the lower end of the table. The most expensive models currently are still OpenAI’s o1-Pro ($150/$600 […]

1 min read