Tech companies are revamping computing — from how tiny chips are built to the way they are arranged, cooled and powered — in the race to build artificial intelligence that recreates the human brain.

The 2025 edition was published in January. Here’s what wasn't on it. AI advances are rapidly speeding up the process of training robots, and helping them do new tasks almost instantly.

An AI model trained on dozens of hours of real-world conversation accurately predicts human brain activity and shows that ...