diff --git a/demo/backend/pytorch.py b/demo/backend/pytorch.py
index 0403b1247b..792e870347 100644
--- a/demo/backend/pytorch.py
+++ b/demo/backend/pytorch.py
@@ -9,8 +9,25 @@
 from doctr.models import ocr_predictor
 from doctr.models.predictor import OCRPredictor
 
-DET_ARCHS = ["db_resnet50", "db_mobilenet_v3_large", "linknet_resnet50_rotation"]
-RECO_ARCHS = ["crnn_vgg16_bn", "crnn_mobilenet_v3_small", "master", "sar_resnet31"]
+DET_ARCHS = [
+    "db_resnet50",
+    "db_resnet34",
+    "db_mobilenet_v3_large",
+    "db_resnet50_rotation",
+    "linknet_resnet18",
+    "linknet_resnet34",
+    "linknet_resnet50",
+]
+RECO_ARCHS = [
+    "crnn_vgg16_bn",
+    "crnn_mobilenet_v3_small",
+    "crnn_mobilenet_v3_large",
+    "master",
+    "sar_resnet31",
+    "vitstr_small",
+    "vitstr_base",
+    "parseq",
+]
 
 
 def load_predictor(det_arch: str, reco_arch: str, device) -> OCRPredictor:
diff --git a/demo/backend/tensorflow.py b/demo/backend/tensorflow.py
index c787a2db45..8eaccca364 100644
--- a/demo/backend/tensorflow.py
+++ b/demo/backend/tensorflow.py
@@ -9,8 +9,24 @@
 from doctr.models import ocr_predictor
 from doctr.models.predictor import OCRPredictor
 
-DET_ARCHS = ["db_resnet50", "db_mobilenet_v3_large", "linknet_resnet18_rotation"]
-RECO_ARCHS = ["crnn_vgg16_bn", "crnn_mobilenet_v3_small", "master", "sar_resnet31"]
+DET_ARCHS = [
+    "db_resnet50",
+    "db_mobilenet_v3_large",
+    "linknet_resnet18",
+    "linknet_resnet18_rotation",
+    "linknet_resnet34",
+    "linknet_resnet50",
+]
+RECO_ARCHS = [
+    "crnn_vgg16_bn",
+    "crnn_mobilenet_v3_small",
+    "crnn_mobilenet_v3_large",
+    "master",
+    "sar_resnet31",
+    "vitstr_small",
+    "vitstr_base",
+    "parseq",
+]
 
 
 def load_predictor(det_arch: str, reco_arch: str, device) -> OCRPredictor: