PyTorch
API: numbers.Number
Strategy: Direct Mapping
JAX (Core)
API: jax.numpy.number
Strategy: Direct Mapping
NumPy
API: numpy.number
Strategy: Direct Mapping
Keras
API: —
Strategy: Custom / Partial
TensorFlow
API: tf.experimental.numpy.number
Strategy: Direct Mapping
Apple MLX
API: mlx.core.number
Strategy: Direct Mapping
Flax NNX
API: jax.numpy.number
Strategy: Direct Mapping