[6] From The Hollywood Reporter, Robyn Bahr found her to be a theatrical standout,[7] while The Hindu said she portrayed the role "with complete gusto";[8] Alexis Gunderson of Paste listed the series' entire cast as one of the best performances of 2020, singling out Reid-Gantzert's "deliciously unhinged take on Karen Brewer, which will haunt [her] (in the best, most hilarious way) for the rest of [her] life".
[9] In October 2021, Reid-Gantzert led the cast of the Netflix comedy series Scaredy Cats as Willa Ward, a girl who discovers she is a witch on her 12th birthday.
Decider's Joel Keller regarded her performance as smart, real, and "slotted right in between precocious and silly";[10] Common Sense Media writer Joly Herman disagreed, considering the acting "less-than-great".
[12][13] Paste's Kaitlin Thomas praised Reid-Gantzert's performance, opining she "confidently delivers her lines in a way that belies her young age".
[18] In 2024, Reid-Gantzert starred in the coming-of-age comedy film Popular Theory and appeared in the Hulu's mystery drama show Death and Other Details.