Before revision: CUDA and OpenCL offer two different interfaces for programming GPUs . OpenCL is an open standard that can be used to program CPUs, GPUs, and other devices from different vendors, while CUDA is specific to NVIDIA GPUs.
After revision: CUDA and OpenCL are two different frameworks for GPU programming . OpenCL is an open standard that can be used to program CPUs, GPUs, and other devices from different vendors, while CUDA is specific to NVIDIA GPUs.