[porridgeraisin]

That.

Also, it has RDMA. Last I checked, Ray did not support RDMA.

There are probably other differences as well, but the lack of RDMA immediately splits the world into things you can do with ray and things you cannot do with ray

[zacmps]

Not currently, but it is being worked on https://github.com/ray-project/ray/issues/53976.