Microsoft is rolling back a model upgrade to its AI-powered Bing Image Creator, reports TechCrunch. The rollback came after weeks of complaints by users that the tool just didn’t work as well after Microsoft “upgraded” to a new version of the DALL-E 3 model on December 18th.

Microsoft reverts to an older AI model after failing to deliver higher quality AI-generated images more quickly via Bing Image Creator.

Google is establishing a team to build AI that can simulate the physical world, led by one of the former co-leads on OpenAI's Sora model.

Google DeepMind is assembling a new team of artificial intelligence researchers to develop “world models” that can simulate physical environments. The initiative will be led by Tim Brooks, a former co-lead for OpenAI’s Sora project who joined DeepMind in October to work on Google’s video generation and world simulators.

Google DeepMind is recruiting a new team of artificial intelligence researchers to develop models that "simulate the physical world".