diff --git a/vall_e/models/__init__.py b/vall_e/models/__init__.py
index 7b33b10..fdc99ed 100644
--- a/vall_e/models/__init__.py
+++ b/vall_e/models/__init__.py
@@ -1,24 +1,26 @@
+import os
 import logging
-
 import requests
+import time
+
 from tqdm import tqdm
 from pathlib import Path
 
-import time
-
 _logger = logging.getLogger(__name__)
 
 # to-do: implement automatically downloading model
+DEFAULT_MODEL_NAME = os.environ.get("VALLE_DEFAULT_MODEL_NAME", "ar+nar-len-llama-8.sft")
 DEFAULT_MODEL_DIR = Path(__file__).parent.parent.parent / 'data/models'
-DEFAULT_MODEL_PATH = DEFAULT_MODEL_DIR / "ar+nar-len-llama-8.sft"
+DEFAULT_MODEL_PATH = DEFAULT_MODEL_DIR / DEFAULT_MODEL_NAME
 DEFAULT_MODEL_URLS = {
 	'ar+nar-len-llama-8.sft': 'https://huggingface.co/ecker/vall-e/resolve/main/models/ckpt/ar%2Bnar-len-llama-8/ckpt/fp32.sft',
+	'nemo-larger-44khz-llama-8.sft': 'https://huggingface.co/ecker/vall-e/resolve/main/models/ckpt/nemo-larger-44khz-llama-8/fp32.sft',
 	'wavlm_large_finetune.pth': 'https://huggingface.co/Dongchao/UniAudio/resolve/main/wavlm_large_finetune.pth',
 }
 
-if not DEFAULT_MODEL_PATH.exists() and Path("./data/models/ar+nar-len-llama-8.sft").exists():
+if not DEFAULT_MODEL_PATH.exists() and Path(f"./data/models/{DEFAULT_MODEL_NAME}").exists():
 	DEFAULT_MODEL_DIR = Path('./data/models')
-	DEFAULT_MODEL_PATH = DEFAULT_MODEL_DIR / "ar+nar-len-llama-8.sft"
+	DEFAULT_MODEL_PATH = DEFAULT_MODEL_DIR / DEFAULT_MODEL_NAME
 
 # kludge, probably better to use HF's model downloader function
 # to-do: write to a temp file then copy so downloads can be interrupted