ValueAndGrad

Computes the value and gradient of a function.

Abstract Signature:

ValueAndGrad(model, fn: Callable)

PyTorchJAX (Core)KerasTensorFlowApple MLXFlax NNXPaxML / Praxis

PyTorch

API: —

Strategy: Plugin (torch_functional_grad)

JAX (Core)

API: —

Strategy: Plugin (jax_value_and_grad_wrapper)

Keras

API: —

Strategy: Plugin (keras_grad_tape)

TensorFlow

API: —

Strategy: Plugin (tf_grad_tape)

Apple MLX

API: mlx.nn.value_and_grad

Strategy: Direct Mapping

Official Docs ↗

Flax NNX

API: nnx.value_and_grad

Strategy: Direct Mapping

Official Docs ↗

PaxML / Praxis

API: —

Strategy: Plugin (pax_grad_wrapper)