Shortly after Hunter Lightman joined OpenAI as a researcher in 2022, he watched his colleagues launch ChatGPT, one of the fastest-growing products ever. Meanwhile, Lightman quietly worked on a team ...

New research from Anthropic identifies model characteristics, called persona vectors. This helps catch bad behavior without impacting performance. Still, developers don't know enough about why models ...

The company really wants you to know that it’s trying to make its models safer. OpenAI is once again lifting the lid (just a crack) on its safety-testing processes. Last month the company shared the ...

The new benchmark, called Elephant, makes it easier to spot when AI models are being overly sycophantic—but there’s no current fix. Back in April, OpenAI announced it was rolling back an update to its ...

Although the entire AI boom was triggered by just one ChatGPT model, a lot has changed since 2022. New models have been released, old models have been replaced, updates roll out and roll back again ...

The original version of this story appeared in Quanta Magazine. The Chinese AI company DeepSeek released a chatbot earlier this year called R1, which drew a huge amount of attention. Most of it ...

At the end of the 19th century Svante Arrhenius, a Swedish chemist, made one of the first concerted attempts to work out the relationship between Earth’s average temperature and the amount of carbon ...

Nine years after exploring a vision of AI tools helping plant scientists, Iowa State's AI in Ag team has built a web-based ...