diff --git a/libs/langchain/langchain/chat_models/ernie.py b/libs/langchain/langchain/chat_models/ernie.py
index d3fdce5c31f..367341c11f3 100644
--- a/libs/langchain/langchain/chat_models/ernie.py
+++ b/libs/langchain/langchain/chat_models/ernie.py
@@ -98,12 +98,19 @@ class ErnieBotChat(BaseChatModel):
 
     def _chat(self, payload: object) -> dict:
         base_url = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat"
-        if self.model_name == "ERNIE-Bot-turbo":
-            url = f"{base_url}/eb-instant"
-        elif self.model_name == "ERNIE-Bot":
-            url = f"{base_url}/completions"
+        model_paths = {
+            "ERNIE-Bot-turbo": "eb-instant",
+            "ERNIE-Bot": "completions",
+            "BLOOMZ-7B": "bloomz_7b1",
+            "Llama-2-7b-chat": "llama_2_7b",
+            "Llama-2-13b-chat": "llama_2_13b",
+            "Llama-2-70b-chat": "llama_2_70b",
+        }
+        if self.model_name in model_paths:
+            url = f"{base_url}/{model_paths[self.model_name]}"
         else:
             raise ValueError(f"Got unknown model_name {self.model_name}")
+
         resp = requests.post(
             url,
             timeout=self.request_timeout,