use 500M model

app.py

@@ -12,8 +12,8 @@ DEFAULT_MAX_NEW_TOKENS = 200
 
 # Download the GGUF file
 model_path = hf_hub_download(
-    repo_id="ijohn07/arco-plus-Q8_0-GGUF",
-    filename="arco-plus-q8_0.gguf",
+    repo_id="TobDeBer/arco-Q4_K_M-GGUF",
+    filename="arco-q4_k_m.gguf",
     repo_type="model"
 )
 # Load the GGUF model