MiniMax H3 Users Report Crashes and CUDA Errors in ComfyUI

Reddit users report MiniMax H3 failing in ComfyUI, with RAM exhaustion after several generations and CUDA errors at the SamplerCustomAdvanced node after an update, prompting pleas for fixes.

2026-08-14 ~ 2026-08-14 · 2 related posts

• MiniMax H3 RAM usage issue in ComfyUI, user seeks help — Virtual-Pollution-58 · 2026-08-14
• Minimax H3 Fails with Recent ComfyUI Update on 9070xt: Reddit User Seeks Help — myprnacct12 · 2026-08-14