diff --git a/doc_craft/core/constant.py b/doc_craft/core/constant.py
new file mode 100644
index 0000000..e66ab57
--- /dev/null
+++ b/doc_craft/core/constant.py
@@ -0,0 +1 @@
+AI_MODEL = {"model_name": "gpt-3.5-turbo", "model_family": "openai"}
diff --git a/doc_craft/utils/llm.py b/doc_craft/utils/llm.py
index cf3c8c4..2af6802 100644
--- a/doc_craft/utils/llm.py
+++ b/doc_craft/utils/llm.py
@@ -3,13 +3,18 @@
 from .env_apikey_handler import EnvAPIKeyHandler
 from .azurekeyvault_apikey_handler import AzureKeyVaultAPIKeyHandler
 import sys
+from doc_craft.core.constant import AI_MODEL
 
 
 class LLM:
     """A class that represents a Language Model (LLM)."""
 
     # TODO: allow user to specify model_name and model_family
-    def __init__(self, model_name="gpt-3.5-turbo", model_family="openai"):
+    def __init__(
+        self,
+        model_name=AI_MODEL.get("model_name"),
+        model_family=AI_MODEL.get("model_family"),
+    ):
         """Initialize a Model object with the specified model name and model family.
 
         Args:
diff --git a/setup.py b/setup.py
index 8caa435..3ad6017 100644
--- a/setup.py
+++ b/setup.py
@@ -1,8 +1,8 @@
 from setuptools import setup, find_packages
 
 setup(
-    name="DocCraft",
-    version="1.0.3",
+    name="doc-craft",
+    version="1.0.5",
     description="A tool to add docstrings to Python code using LLMs.",
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",