diff --git a/langfun/core/llms/google_genai.py b/langfun/core/llms/google_genai.py
index 2d24ec6..2ea0192 100644
--- a/langfun/core/llms/google_genai.py
+++ b/langfun/core/llms/google_genai.py
@@ -20,6 +20,7 @@
 
 import langfun.core as lf
 from langfun.core import modalities as lf_modalities
+from langfun.core.llms import vertexai
 import pyglove as pg
 
 
@@ -307,71 +308,52 @@ def get(
 #
 
 
-_IMAGE_TYPES = [
-    'image/png',
-    'image/jpeg',
-    'image/webp',
-    'image/heic',
-    'image/heif',
-]
-
-_AUDIO_TYPES = [
-    'audio/aac',
-    'audio/flac',
-    'audio/mp3',
-    'audio/m4a',
-    'audio/mpeg',
-    'audio/mpga',
-    'audio/mp4',
-    'audio/opus',
-    'audio/pcm',
-    'audio/wav',
-    'audio/webm'
-]
-
-_VIDEO_TYPES = [
-    'video/mov',
-    'video/mpeg',
-    'video/mpegps',
-    'video/mpg',
-    'video/mp4',
-    'video/webm',
-    'video/wmv',
-    'video/x-flv',
-    'video/3gpp',
-]
-
-_PDF = [
-    'application/pdf',
-]
-
-
 class GeminiExp_20241206(GenAI):  # pylint: disable=invalid-name
   """Gemini Experimental model launched on 12/06/2024."""
 
   model = 'gemini-exp-1206'
-  supported_modalities = _PDF + _IMAGE_TYPES + _AUDIO_TYPES + _VIDEO_TYPES
+  supported_modalities = (
+      vertexai.DOCUMENT_TYPES
+      + vertexai.IMAGE_TYPES
+      + vertexai.AUDIO_TYPES
+      + vertexai.VIDEO_TYPES
+  )
 
 
 class GeminiExp_20241114(GenAI):  # pylint: disable=invalid-name
   """Gemini Experimental model launched on 11/14/2024."""
 
   model = 'gemini-exp-1114'
-  supported_modalities = _PDF + _IMAGE_TYPES + _AUDIO_TYPES + _VIDEO_TYPES
+  supported_modalities = (
+      vertexai.DOCUMENT_TYPES
+      + vertexai.IMAGE_TYPES
+      + vertexai.AUDIO_TYPES
+      + vertexai.VIDEO_TYPES
+  )
 
 
 class GeminiPro1_5(GenAI):  # pylint: disable=invalid-name
   """Gemini Pro latest model."""
 
   model = 'gemini-1.5-pro-latest'
-  supported_modalities = _PDF + _IMAGE_TYPES + _AUDIO_TYPES + _VIDEO_TYPES
+  supported_modalities = (
+      vertexai.DOCUMENT_TYPES
+      + vertexai.IMAGE_TYPES
+      + vertexai.AUDIO_TYPES
+      + vertexai.VIDEO_TYPES
+  )
 
 
 class GeminiFlash1_5(GenAI):  # pylint: disable=invalid-name
   """Gemini Flash latest model."""
 
   model = 'gemini-1.5-flash-latest'
-  supported_modalities = _PDF + _IMAGE_TYPES + _AUDIO_TYPES + _VIDEO_TYPES
+  supported_modalities = (
+      vertexai.DOCUMENT_TYPES
+      + vertexai.IMAGE_TYPES
+      + vertexai.AUDIO_TYPES
+      + vertexai.VIDEO_TYPES
+  )
 
 
 class GeminiPro(GenAI):
@@ -384,7 +366,7 @@ class GeminiProVision(GenAI):
   """Gemini Pro vision model."""
 
   model = 'gemini-pro-vision'
-  supported_modalities = _IMAGE_TYPES + _VIDEO_TYPES
+  supported_modalities = vertexai.IMAGE_TYPES + vertexai.VIDEO_TYPES
 
 
 class Palm2(GenAI):
diff --git a/langfun/core/llms/vertexai.py b/langfun/core/llms/vertexai.py
index 7344d6a..8b3ae28 100644
--- a/langfun/core/llms/vertexai.py
+++ b/langfun/core/llms/vertexai.py
@@ -343,7 +343,7 @@ def _message_from_content_parts(
     return lf.AIMessage.from_chunks(chunks)
 
 
-_IMAGE_TYPES = [
+IMAGE_TYPES = [
     'image/png',
     'image/jpeg',
     'image/webp',
@@ -351,7 +351,7 @@ def _message_from_content_parts(
     'image/heif',
 ]
 
-_AUDIO_TYPES = [
+AUDIO_TYPES = [
     'audio/aac',
     'audio/flac',
     'audio/mp3',
@@ -362,10 +362,10 @@ def _message_from_content_parts(
     'audio/opus',
     'audio/pcm',
     'audio/wav',
-    'audio/webm'
+    'audio/webm',
 ]
 
-_VIDEO_TYPES = [
+VIDEO_TYPES = [
     'video/mov',
     'video/mpeg',
     'video/mpegps',
@@ -375,9 +375,10 @@ def _message_from_content_parts(
     'video/wmv',
     'video/x-flv',
     'video/3gpp',
+    'video/quicktime',
 ]
 
-_DOCUMENT_TYPES = [
+DOCUMENT_TYPES = [
     'application/pdf',
     'text/plain',
     'text/csv',
@@ -391,8 +392,8 @@ def _message_from_content_parts(
 class VertexAIGemini1_5(VertexAI):  # pylint: disable=invalid-name
   """Vertex AI Gemini 1.5 model."""
 
-  supported_modalities: pg.typing.List(str).freeze(   # pytype: disable=invalid-annotation
-      _DOCUMENT_TYPES + _IMAGE_TYPES + _AUDIO_TYPES + _VIDEO_TYPES
+  supported_modalities: pg.typing.List(str).freeze(  # pytype: disable=invalid-annotation
+      DOCUMENT_TYPES + IMAGE_TYPES + AUDIO_TYPES + VIDEO_TYPES
   )
 
 
@@ -460,8 +461,8 @@ class VertexAIGeminiPro1Vision(VertexAI):  # pylint: disable=invalid-name
   """Vertex AI Gemini 1.0 Pro Vision model."""
 
   model = 'gemini-1.0-pro-vision'
-  supported_modalities: pg.typing.List(str).freeze(   # pytype: disable=invalid-annotation
-      _IMAGE_TYPES + _VIDEO_TYPES
+  supported_modalities: pg.typing.List(str).freeze(  # pytype: disable=invalid-annotation
+      IMAGE_TYPES + VIDEO_TYPES
   )