From the link, they mention this: The closest Python package to Theano is sympy. Theano focuses more on tensor expressions than Sympy, and has more machinery f

From the link, they mention this: The closest Python package to Theano is sympy. Theano focuses more on tensor expressions than Sympy, and has more machinery for compilation. Sympy has more sophisticated algebra rules and can handle a wider variety of mathematical operations (such as series, limits, and integrals).