diff --git a/tests/entrypoints/openai/test_audio.py b/tests/entrypoints/openai/test_audio.py
index 0a29d77e73abc..1116c0da1a6f0 100644
--- a/tests/entrypoints/openai/test_audio.py
+++ b/tests/entrypoints/openai/test_audio.py
@@ -74,6 +74,7 @@ async def test_single_chat_session_audio(client: openai.AsyncOpenAI,
         messages=messages,
         max_completion_tokens=10,
         logprobs=True,
+        temperature=0.0,
         top_logprobs=5)
     assert len(chat_completion.choices) == 1
 
@@ -130,6 +131,7 @@ async def test_single_chat_session_audio_base64encoded(
         messages=messages,
         max_completion_tokens=10,
         logprobs=True,
+        temperature=0.0,
         top_logprobs=5)
     assert len(chat_completion.choices) == 1
 
@@ -150,6 +152,7 @@ async def test_single_chat_session_audio_base64encoded(
         model=model_name,
         messages=messages,
         max_completion_tokens=10,
+        temperature=0.0,
     )
     message = chat_completion.choices[0].message
     assert message.content is not None and len(message.content) >= 0
diff --git a/tests/entrypoints/openai/test_video.py b/tests/entrypoints/openai/test_video.py
index 294b250362699..e73449e406739 100644
--- a/tests/entrypoints/openai/test_video.py
+++ b/tests/entrypoints/openai/test_video.py
@@ -82,6 +82,7 @@ async def test_single_chat_session_video(client: openai.AsyncOpenAI,
         messages=messages,
         max_completion_tokens=10,
         logprobs=True,
+        temperature=0.0,
         top_logprobs=5)
     assert len(chat_completion.choices) == 1
 
@@ -174,6 +175,7 @@ async def test_single_chat_session_video_base64encoded(
         messages=messages,
         max_completion_tokens=10,
         logprobs=True,
+        temperature=0.0,
         top_logprobs=5)
     assert len(chat_completion.choices) == 1
 
@@ -194,6 +196,7 @@ async def test_single_chat_session_video_base64encoded(
         model=model_name,
         messages=messages,
         max_completion_tokens=10,
+        temperature=0.0,
     )
     message = chat_completion.choices[0].message
     assert message.content is not None and len(message.content) >= 0
diff --git a/tests/entrypoints/openai/test_vision.py b/tests/entrypoints/openai/test_vision.py
index a0b6edd566561..5f070ba3b12e9 100644
--- a/tests/entrypoints/openai/test_vision.py
+++ b/tests/entrypoints/openai/test_vision.py
@@ -83,6 +83,7 @@ async def test_single_chat_session_image(client: openai.AsyncOpenAI,
         messages=messages,
         max_completion_tokens=10,
         logprobs=True,
+        temperature=0.0,
         top_logprobs=5)
     assert len(chat_completion.choices) == 1
 
@@ -175,6 +176,7 @@ async def test_single_chat_session_image_base64encoded(
         messages=messages,
         max_completion_tokens=10,
         logprobs=True,
+        temperature=0.0,
         top_logprobs=5)
     assert len(chat_completion.choices) == 1
 
@@ -195,6 +197,7 @@ async def test_single_chat_session_image_base64encoded(
         model=model_name,
         messages=messages,
         max_completion_tokens=10,
+        temperature=0.0,
     )
     message = chat_completion.choices[0].message
     assert message.content is not None and len(message.content) >= 0