A portrait of Tetsuo, titled "Hommage to Akira" - Mœbius (1991)

They indeed appreciated each others work.

French cartoonist Moebius, who is known for realistic character designs, is often cited as one of Otomo's biggest influences

Source

Btw, Miyazaki is a fan of Moebius too:

https://www.openculture.com/2016/11/watch-moebius-and-miyazaki-two-of-the-most-imaginative-artists-in-conversation-2004.html