In research many Google/Alphabet papers use also Google JAX:

  
      

      github.com
  

  
    

GitHub - google/jax: Composable transformations of Python+NumPy programs:...


  Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more - GitHub - google/jax: Composable transformations of Python+NumPy programs: differentiate, ve...