diff --git a/backend/danswer/llm/chat_llm.py b/backend/danswer/llm/chat_llm.py
index 90ad481d453..632e09c5118 100644
--- a/backend/danswer/llm/chat_llm.py
+++ b/backend/danswer/llm/chat_llm.py
@@ -232,32 +232,6 @@ class DefaultMultiLLM(LLM):
 
         self._model_kwargs = model_kwargs
 
-    @staticmethod
-    def _log_prompt(prompt: LanguageModelInput) -> None:
-        if isinstance(prompt, list):
-            for ind, msg in enumerate(prompt):
-                if isinstance(msg, AIMessageChunk):
-                    if msg.content:
-                        log_msg = msg.content
-                    elif msg.tool_call_chunks:
-                        log_msg = "Tool Calls: " + str(
-                            [
-                                {
-                                    key: value
-                                    for key, value in tool_call.items()
-                                    if key != "index"
-                                }
-                                for tool_call in msg.tool_call_chunks
-                            ]
-                        )
-                    else:
-                        log_msg = ""
-                    logger.debug(f"Message {ind}:\n{log_msg}")
-                else:
-                    logger.debug(f"Message {ind}:\n{msg.content}")
-        if isinstance(prompt, str):
-            logger.debug(f"Prompt:\n{prompt}")
-
     def log_model_configs(self) -> None:
         logger.info(f"Config: {self.config}")
 
@@ -311,7 +285,7 @@ class DefaultMultiLLM(LLM):
             api_version=self._api_version,
         )
 
-    def invoke(
+    def _invoke_implementation(
         self,
         prompt: LanguageModelInput,
         tools: list[dict] | None = None,
@@ -319,7 +293,6 @@ class DefaultMultiLLM(LLM):
     ) -> BaseMessage:
         if LOG_DANSWER_MODEL_INTERACTIONS:
             self.log_model_configs()
-            self._log_prompt(prompt)
 
         response = cast(
             litellm.ModelResponse, self._completion(prompt, tools, tool_choice, False)
@@ -328,7 +301,7 @@ class DefaultMultiLLM(LLM):
             response.choices[0].message
         )
 
-    def stream(
+    def _stream_implementation(
         self,
         prompt: LanguageModelInput,
         tools: list[dict] | None = None,
@@ -336,7 +309,6 @@ class DefaultMultiLLM(LLM):
     ) -> Iterator[BaseMessage]:
         if LOG_DANSWER_MODEL_INTERACTIONS:
             self.log_model_configs()
-            self._log_prompt(prompt)
 
         if DISABLE_LITELLM_STREAMING:
             yield self.invoke(prompt)
diff --git a/backend/danswer/llm/custom_llm.py b/backend/danswer/llm/custom_llm.py
index 2c4c029aa2d..da71e0e5b65 100644
--- a/backend/danswer/llm/custom_llm.py
+++ b/backend/danswer/llm/custom_llm.py
@@ -76,7 +76,7 @@ class CustomModelServer(LLM):
     def log_model_configs(self) -> None:
         logger.debug(f"Custom model at: {self._endpoint}")
 
-    def invoke(
+    def _invoke_implementation(
         self,
         prompt: LanguageModelInput,
         tools: list[dict] | None = None,
@@ -84,7 +84,7 @@ class CustomModelServer(LLM):
     ) -> BaseMessage:
         return self._execute(prompt)
 
-    def stream(
+    def _stream_implementation(
         self,
         prompt: LanguageModelInput,
         tools: list[dict] | None = None,
diff --git a/backend/danswer/llm/interfaces.py b/backend/danswer/llm/interfaces.py
index e876403c421..63bd45ba76b 100644
--- a/backend/danswer/llm/interfaces.py
+++ b/backend/danswer/llm/interfaces.py
@@ -3,9 +3,12 @@ from collections.abc import Iterator
 from typing import Literal
 
 from langchain.schema.language_model import LanguageModelInput
+from langchain_core.messages import AIMessageChunk
 from langchain_core.messages import BaseMessage
 from pydantic import BaseModel
 
+from danswer.configs.app_configs import DISABLE_GENERATIVE_AI
+from danswer.configs.app_configs import LOG_DANSWER_MODEL_INTERACTIONS
 from danswer.utils.logger import setup_logger
 
 
@@ -23,6 +26,32 @@ class LLMConfig(BaseModel):
     api_version: str | None
 
 
+def log_prompt(prompt: LanguageModelInput) -> None:
+    if isinstance(prompt, list):
+        for ind, msg in enumerate(prompt):
+            if isinstance(msg, AIMessageChunk):
+                if msg.content:
+                    log_msg = msg.content
+                elif msg.tool_call_chunks:
+                    log_msg = "Tool Calls: " + str(
+                        [
+                            {
+                                key: value
+                                for key, value in tool_call.items()
+                                if key != "index"
+                            }
+                            for tool_call in msg.tool_call_chunks
+                        ]
+                    )
+                else:
+                    log_msg = ""
+                logger.debug(f"Message {ind}:\n{log_msg}")
+            else:
+                logger.debug(f"Message {ind}:\n{msg.content}")
+    if isinstance(prompt, str):
+        logger.debug(f"Prompt:\n{prompt}")
+
+
 class LLM(abc.ABC):
     """Mimics the LangChain LLM / BaseChatModel interfaces to make it easy
     to use these implementations to connect to a variety of LLM providers."""
@@ -45,20 +74,48 @@ class LLM(abc.ABC):
     def log_model_configs(self) -> None:
         raise NotImplementedError
 
-    @abc.abstractmethod
+    def _precall(self, prompt: LanguageModelInput) -> None:
+        if DISABLE_GENERATIVE_AI:
+            raise Exception("Generative AI is disabled")
+        if LOG_DANSWER_MODEL_INTERACTIONS:
+            log_prompt(prompt)
+
     def invoke(
         self,
         prompt: LanguageModelInput,
         tools: list[dict] | None = None,
         tool_choice: ToolChoiceOptions | None = None,
+    ) -> BaseMessage:
+        self._precall(prompt)
+        # TODO add a postcall to log model outputs independent of concrete class
+        # implementation
+        return self._invoke_implementation(prompt, tools, tool_choice)
+
+    @abc.abstractmethod
+    def _invoke_implementation(
+        self,
+        prompt: LanguageModelInput,
+        tools: list[dict] | None = None,
+        tool_choice: ToolChoiceOptions | None = None,
     ) -> BaseMessage:
         raise NotImplementedError
 
-    @abc.abstractmethod
     def stream(
         self,
         prompt: LanguageModelInput,
         tools: list[dict] | None = None,
         tool_choice: ToolChoiceOptions | None = None,
+    ) -> Iterator[BaseMessage]:
+        self._precall(prompt)
+        # TODO add a postcall to log model outputs independent of concrete class
+        # implementation
+        return self._stream_implementation(prompt, tools, tool_choice)
+
+    @abc.abstractmethod
+    def _stream_implementation(
+        self,
+        prompt: LanguageModelInput,
+        tools: list[dict] | None = None,
+        tool_choice: ToolChoiceOptions | None = None,
     ) -> Iterator[BaseMessage]:
         raise NotImplementedError