diff --git a/libs/community/langchain_community/chat_models/gigachat.py b/libs/community/langchain_community/chat_models/gigachat.py
index 7345aa4ad9..76e22bb248 100644
--- a/libs/community/langchain_community/chat_models/gigachat.py
+++ b/libs/community/langchain_community/chat_models/gigachat.py
@@ -133,6 +133,7 @@ class GigaChat(_BaseGigaChat, BaseChatModel):
         )
 
         payload.functions = kwargs.get("functions", None)
+        payload.model = self.model
 
         if self.profanity_check is not None:
             payload.profanity_check = self.profanity_check