diff --git a/ai_chatbot_backend/app/core/models/chat_completion.py b/ai_chatbot_backend/app/core/models/chat_completion.py
index 2042028f..4727fb98 100755
--- a/ai_chatbot_backend/app/core/models/chat_completion.py
+++ b/ai_chatbot_backend/app/core/models/chat_completion.py
@@ -148,7 +148,7 @@ class FileCompletionParams(BaseModel):
     Parameters for file-based chat completions.
     """
     course_code: str
-    audio: VoiceMessage
+    audio: VoiceMessage = None
     messages: List[Message]
     stream: bool
     chat_type: str = "file"  # e.g., "general", "file", "practice"
@@ -156,7 +156,7 @@ class FileCompletionParams(BaseModel):
     audio_response: Optional[bool] = False
     sid: Optional[str] = None  # chat_history_sid from frontend
     user_focus: UserFocus
-    tutor_mode: Optional[bool] = True  # Enable tutor mode (Bloom taxonomy, hints-first)
+    tutor_mode: Optional[bool] = False  # Enable tutor mode (Bloom taxonomy, hints-first)
     json_output: Optional[bool] = True  # Enable JSON output format (derived from tutor_mode if not set)
 
 class PracticeCompletionParams(BaseModel):
@@ -174,7 +174,7 @@ class PracticeCompletionParams(BaseModel):
     answer_content: str
     problem_id: str
     file_path: str
-    tutor_mode: Optional[bool] = True  # Enable tutor mode (Bloom taxonomy, hints-first)
+    tutor_mode: Optional[bool] = False  # Enable tutor mode (Bloom taxonomy, hints-first)
     json_output: Optional[bool] = True  # Enable JSON output format (derived from tutor_mode if not set)
 
 class VoiceTranscriptParams(BaseModel):
diff --git a/ai_chatbot_backend/app/services/generation/tutor/query.py b/ai_chatbot_backend/app/services/generation/tutor/query.py
index 77e33e43..608c5c8c 100644
--- a/ai_chatbot_backend/app/services/generation/tutor/query.py
+++ b/ai_chatbot_backend/app/services/generation/tutor/query.py
@@ -42,7 +42,7 @@ async def build_tutor_context(
     # 1. Message formatting (tutor_mode=True for tutor)
     messages = format_chat_msg(
         messages,
-        tutor_mode=True,
+        tutor_mode=False,
         audio_response=audio_response
     )
 
@@ -120,7 +120,7 @@ async def build_tutor_context(
         problem_content=problem_content,
         answer_content=answer_content,
         audio_response=audio_response,
-        tutor_mode=True,
+        tutor_mode=False,
         outline_mode=True,
     )