diff --git a/packages/python-sdk/lunary/__init__.py b/packages/python-sdk/lunary/__init__.py
index ab75c093..a76e05db 100644
--- a/packages/python-sdk/lunary/__init__.py
+++ b/packages/python-sdk/lunary/__init__.py
@@ -1075,8 +1075,8 @@ def on_llm_start(
                 )  # Sometimes, for example with ChatAnthropic, `invocation_params` is empty
 
                 name = (
-                    metadata.get("ls_model_name") # for Azure OpenAI
-                    or metadata.get("model_name") # custom model name 
+                    metadata.get("model_name") # custom model name 
+                    or metadata.get("ls_model_name") # for Azure OpenAI
                     or params.get("model")
                     or params.get("model_name")
                     or params.get("model_id")
@@ -1135,8 +1135,8 @@ def on_chat_model_start(
                 )  # Sometimes, for example with ChatAnthropic, `invocation_params` is empty
 
                 name = (
-                    metadata.get("ls_model_name") # for Azure OpenAI
-                    or metadata.get("model_name") # custom model name
+                    metadata.get("model_name") # custom model name
+                    or metadata.get("ls_model_name") # for Azure OpenAI
                     or params.get("model")
                     or params.get("model_name")
                     or params.get("model_id")
diff --git a/packages/python-sdk/pyproject.toml b/packages/python-sdk/pyproject.toml
index 910fbbed..6bb70179 100644
--- a/packages/python-sdk/pyproject.toml
+++ b/packages/python-sdk/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "lunary"
-version = "1.4.1"
+version = "1.4.3"
 description = "Observability, analytics and evaluations for AI agents and chatbots."
 authors = ["lunary <hello@lunary.ai>"]
 readme = "README.md"
@@ -9,7 +9,7 @@ documentation = "https://lunary.ai/docs/py"
 keywords = ["Lunary", "lunary.ai", "Langchain", "AI", "Analytics", "Monitoring"]
 
 [tool.poetry.dependencies]
-python = ">=3.10.0,<3.13"
+python = ">=3.10.0"
 requests = "^2.31.0"
 setuptools = ">=72.1.0"
 tenacity = "^8.2.3"