From 2bd65f2091f0276e9ff6e18380d452d4f505fc27 Mon Sep 17 00:00:00 2001
From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com>
Date: Tue, 12 May 2026 20:55:38 -0700
Subject: [PATCH] Better Hidream O1 mem usage factor for non dynamic vram.
 (#13864)

---
 comfy/supported_models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/comfy/supported_models.py b/comfy/supported_models.py
index 8d2e02f68..1e4434fd5 100644
--- a/comfy/supported_models.py
+++ b/comfy/supported_models.py
@@ -1443,7 +1443,7 @@ class HiDreamO1(supported_models_base.BASE):
     }
 
     latent_format = latent_formats.HiDreamO1Pixel
-    memory_usage_factor = 0.6
+    memory_usage_factor = 0.033
     # fp16 not supported: LM MLP down_proj activations fp16 overflow, causing NaNs
     supported_inference_dtypes = [torch.bfloat16, torch.float32]