\[ a y(x)+b+y'(x)^2-4 y(x)^3=0 \] ✓ Mathematica : cpu = 0.0033538 (sec), leaf count = 27
\[\{\{y(x)\to \wp (x-c_1;a,b)\},\{y(x)\to \wp (x+c_1;a,b)\}\}\] ✓ Maple : cpu = 0.047 (sec), leaf count = 232
\[y \relax (x ) = \frac {\left (27 b +3 \sqrt {-3 a^{3}+81 b^{2}}\right )^{\frac {2}{3}}+3 a}{6 \left (27 b +3 \sqrt {-3 a^{3}+81 b^{2}}\right )^{\frac {1}{3}}}\]