diff --git a/machine-learning/app/sessions/rknn.py b/machine-learning/app/sessions/rknn.py
index 9348b3770f..4e5e85a242 100644
--- a/machine-learning/app/sessions/rknn.py
+++ b/machine-learning/app/sessions/rknn.py
@@ -23,10 +23,12 @@ class RknnSession:
     def __init__(self, model_path: Path | str):
         self.model_path = Path(model_path)
         self.ort_model_path = str(self.model_path).replace(".rknn", ".onnx")
-        
-        if 'textual' in str(self.model_path):
+        self.inputs = None
+        self.outputs = None
+
+        if "textual" in str(self.model_path):
             self.tpe = settings.rknn_textual_threads
-        elif 'visual' in str(self.model_path):
+        elif "visual" in str(self.model_path):
             self.tpe = settings.rknn_visual_threads
         else:
             self.tpe = settings.rknn_facial_detection_threads
@@ -34,21 +36,27 @@ class RknnSession:
         log.info(f"Loading RKNN model from {self.model_path} with {self.tpe} threads.")
         self.rknnpool = rknnPoolExecutor(rknnModel=self.model_path.as_posix(), TPEs=self.tpe, func=runInfrence)
 
-        self.ort_session = ort.InferenceSession(
-            self.ort_model_path,
-        )
-        self.inputs = self.ort_session.get_inputs()
-        self.outputs = self.ort_session.get_outputs()
-
-        del self.ort_session
-
     def __del__(self):
         self.rknnpool.release()
 
     def get_inputs(self) -> list[SessionNode]:
+        if not self.inputs:
+            self.ort_session = ort.InferenceSession(
+                self.ort_model_path,
+            )
+            self.inputs = self.ort_session.get_inputs()
+            self.outputs = self.ort_session.get_outputs()
+            del self.ort_session
         return self.inputs
 
     def get_outputs(self) -> list[SessionNode]:
+        if not self.outputs:
+            self.ort_session = ort.InferenceSession(
+                self.ort_model_path,
+            )
+            self.inputs = self.ort_session.get_inputs()
+            self.outputs = self.ort_session.get_outputs()
+            del self.ort_session
         return self.outputs
 
     def run(