Their image classification benchmarks include both:
https://pub.sakana.ai/pc-alm/assets/figures/benchmark_accura...
I didn't see ImageNet. TinyImageNet is something else.
Training a Predictive Coding Network on ImageNet using Equilibrium Propagation Tugdual Kerjan, Rasmus Høier, Benjamin Scellier https://arxiv.org/abs/2606.03584
It's quite an undertaking.