A video call, where they ask some math and coding questions. Usually they ask to explain a fundamental concept of ML, and the you have to implement it. Little by little complexity will be added to the problem,

One research interview, questions about language models, discuss different architectural modifications, their advantages and trade offs they present. If you’ve done work on language model architectures, should be easy. Didn’t ask any math or super in depth questions just superficial deep learning research stuff