diff --git a/litellm/__init__.py b/litellm/__init__.py
index e00e4f804e..cc67cd00ca 100644
--- a/litellm/__init__.py
+++ b/litellm/__init__.py
@@ -106,7 +106,7 @@ aleph_alpha_key: Optional[str] = None
 nlp_cloud_key: Optional[str] = None
 common_cloud_provider_auth_params: dict = {
     "params": ["project", "region_name", "token"],
-    "providers": ["vertex_ai", "bedrock", "watsonx", "azure"],
+    "providers": ["vertex_ai", "bedrock", "watsonx", "azure", "vertex_ai_beta"],
 }
 use_client: bool = False
 ssl_verify: bool = True
diff --git a/litellm/llms/vertex_httpx.py b/litellm/llms/vertex_httpx.py
index 2ea0e199e8..62b9085771 100644
--- a/litellm/llms/vertex_httpx.py
+++ b/litellm/llms/vertex_httpx.py
@@ -748,10 +748,12 @@ class VertexLLM(BaseLLM):
             if project_id is None:
                 project_id = creds.project_id
         else:
-            creds, project_id = google_auth.default(
+            creds, creds_project_id = google_auth.default(
                 quota_project_id=project_id,
                 scopes=["https://www.googleapis.com/auth/cloud-platform"],
             )
+            if project_id is None:
+                project_id = creds_project_id
 
         creds.refresh(Request())
 
@@ -974,7 +976,7 @@ class VertexLLM(BaseLLM):
         api_base: Optional[str] = None,
     ) -> Union[ModelResponse, CustomStreamWrapper]:
         stream: Optional[bool] = optional_params.pop("stream", None)  # type: ignore
-
+        
         auth_header, url = self._get_token_and_url(
             model=model,
             gemini_api_key=gemini_api_key,
diff --git a/litellm/utils.py b/litellm/utils.py
index dc2c5560da..9390021e0f 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -2412,7 +2412,7 @@ def get_optional_params(
         ):  # allow dynamically setting vertex ai init logic
             continue
         passed_params[k] = v
-
+                
     optional_params: Dict = {}
 
     common_auth_dict = litellm.common_cloud_provider_auth_params
@@ -2431,7 +2431,7 @@ def get_optional_params(
                     non_default_params=passed_params, optional_params=optional_params
                 )
             )
-        elif custom_llm_provider == "vertex_ai":
+        elif custom_llm_provider == "vertex_ai" or custom_llm_provider == "vertex_ai_beta":
             optional_params = litellm.VertexAIConfig().map_special_auth_params(
                 non_default_params=passed_params, optional_params=optional_params
             )
@@ -3914,6 +3914,11 @@ def get_supported_openai_params(
             return litellm.VertexAIConfig().get_supported_openai_params()
         elif request_type == "embeddings":
             return litellm.VertexAITextEmbeddingConfig().get_supported_openai_params()
+    elif custom_llm_provider == "vertex_ai_beta":
+        if request_type == "chat_completion":
+            return litellm.VertexAIConfig().get_supported_openai_params()
+        elif request_type == "embeddings":
+            return litellm.VertexAITextEmbeddingConfig().get_supported_openai_params()
     elif custom_llm_provider == "sagemaker":
         return ["stream", "temperature", "max_tokens", "top_p", "stop", "n"]
     elif custom_llm_provider == "aleph_alpha":