diff --git a/src/ai_models_aurora/model.py b/src/ai_models_aurora/model.py
index 9a47282..8f47e2e 100644
--- a/src/ai_models_aurora/model.py
+++ b/src/ai_models_aurora/model.py
@@ -161,7 +161,11 @@ def nan_extend(self, data):
             axis=0,
         )
 
-    def add_model_args(self, parser):
+    def parse_model_args(self, args):
+        import argparse
+
+        parser = argparse.ArgumentParser("ai-models aurora")
+
         parser.add_argument(
             "--lora",
             type=lambda x: (str(x).lower() in ["true", "1", "yes"]),
@@ -171,8 +175,10 @@ def add_model_args(self, parser):
             help="Use LoRA model (true/false). Default depends on the model.",
         )
 
+        return parser.parse_args(args)
+
 
-class Aurora2p5(AuroraModel):
+class Aurora0p25(AuroraModel):
     klass = Aurora
     download_files = ("aurora-0.25-static.pickle",)
     # Input
@@ -181,13 +187,13 @@ class Aurora2p5(AuroraModel):
 
 
 # https://microsoft.github.io/aurora/models.html#aurora-0-25-pretrained
-class Aurora2p5Pretrained(Aurora2p5):
+class Aurora0p25Pretrained(Aurora0p25):
     use_lora = False
     checkpoint = "aurora-0.25-pretrained.ckpt"
 
 
 # https://microsoft.github.io/aurora/models.html#aurora-0-25-fine-tuned
-class Aurora2p5FineTuned(Aurora2p5):
+class Aurora025FineTuned(Aurora0p25):
     use_lora = True
     checkpoint = "aurora-0.25-finetuned.ckpt"
 
@@ -234,8 +240,8 @@ def model(model_version, **kwargs):
     # select with --model-version
 
     models = {
-        "2.5-pretrained": Aurora2p5Pretrained,
-        "2.5-finetuned": Aurora2p5FineTuned,
+        "0.25-pretrained": Aurora0p25Pretrained,
+        "0.25-finetuned": Aurora025FineTuned,
         "0.1-finetuned": Aurora0p1FineTuned,
         "default": Aurora0p1FineTuned,
         "latest": Aurora0p1FineTuned,  # Backward compatibility