I have played on 32/10 and I watched a performance of the 2 Brahms pieces with scores attached. You must like and have good octave chord/dense chord technique because all 3 pieces require that. The challenges of 32/10 for me were getting the different rhythms precise, bringing out the melody and developing a slow build-up of the B section, trying make those big chords sound like they were moving horizontally, not vertically, and trying not to sound like a lot loud banging. The hardest section is the L’istesso tempo with the tricky rhythms and also building the crescendo. When you listen to amateur pianists perform this piece, this is the section that can turn into a train wreck.
The 116/1 and 3 seem to have similar challenges plus a faster tempo. I can’t say if they would be more difficult than 32/10, but I don’t think they would be easier. 116/3 may be a little less challenging than 116/1. The site Piano Works by Difficulty rates 116/3 and 32/10 as a 3.5, 116/1 as a 4.0. As a reference point the site rates several of Chopin’s nocturnes (e.g. op9/3, but not 9/1 or 2) as 3.5 and Nocturne Op 48/1 as a 4.0.
Every pianist brings strengths and weaknesses to playing a particular piece and challenges vary accordingly. It might be a good idea to spend some time playing through 32/10 and 116/3 to see if they are a good fit for you.