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transformers
20262 articles
What Is a Mixture of Experts AI Model?
A mixture of experts model uses a router to send each token to a few specialist sub-networks, so a huge model runs only part of itself at a time.
How Attention Lets AI Models Focus on the Right Words
Attention is the mechanism that lets a language model weigh every word in a text against every other word. Here is how queries, keys and values do it, and why it gets costly.