The reasoning systems are based on a technology called large language models, or L.L.M.s. To build reasoning systems, companies put L.L.M.s through an additional process called reinforcement learning.

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Endpapers — the sheets connecting a hardbound book’s cover to its first and final pages — have been a crucial element of ...

Vauhini Vara consulted ChatGPT to help craft her new book, “Searches.” But the most moving sections are the ones she wrote herself. A novel that explores how we might make meaning of our ...

The government will freeze $2 billion in funds because the university refused to comply with its demands. Harvard leaders believed saying no was worth the risk. 7 min read Trump Threatens Harvard ...