The GPI2 gate is a single qubit gate.
cirq_ionq.ionq_native_gates.GPI2(
*qubits, **kwargs
)
The unitary of this gate is \frac{1}{/\sqrt{2} }[[1, -ie^{-i2\pi\phi}], [-ie^{-i2*\phi}, 1]] It is driven by Rabi laser. https://ionq.com/best-practices