It'll also be differentiated by using a brain-dead AI engine behind it. Siri isn't just behind, it's getting worse. Unfortunately that's been the story with Apple recently, neat hardware undermined by buggy, unstable, ill-designed software.
You must have a different version than I. I use Siri everyday and it works great, and has hundreds of skills. The various on-line comparisons show that Sir and Google and Alexa are all pretty close. Siri of course, works with many languages.