\[ y'(x)=\frac {(-\text {Ci}(x)+y(x)-\log (x))^2+\cos (x)}{x} \] ✓ Mathematica : cpu = 0.483247 (sec), leaf count = 27
\[\left \{\left \{y(x)\to \text {Ci}(x)+\frac {x^2}{-\frac {x^2}{2}+c_1}+\log (x)+1\right \}\right \}\] ✓ Maple : cpu = 0.398 (sec), leaf count = 27
\[ \left \{ y \left ( x \right ) =\ln \left ( x \right ) +{\it Ci} \left ( x \right ) +{\frac {-{\it \_C1}\,{x}^{2}+1}{{\it \_C1}\,{x}^{2}+1}} \right \} \]