diff --git a/src/pipecat/services/google/tts.py b/src/pipecat/services/google/tts.py
index bd3dbc203..5575d7d44 100644
--- a/src/pipecat/services/google/tts.py
+++ b/src/pipecat/services/google/tts.py
@@ -352,6 +352,15 @@ class GoogleHttpTTSService(TTSService):
         """
         return True
 
+    @property
+    def includes_inter_frame_spaces(self) -> bool:
+        """Indicates that Google TTSTextFrames include necessary inter-frame spaces.
+
+        Returns:
+            True, indicating that Google's text frames include necessary inter-frame spaces.
+        """
+        return True
+
     def language_to_service_language(self, language: Language) -> Optional[str]:
         """Convert a Language enum to Google TTS language format.
 
diff --git a/src/pipecat/services/openai/tts.py b/src/pipecat/services/openai/tts.py
index cdf0d11ac..af580e4a0 100644
--- a/src/pipecat/services/openai/tts.py
+++ b/src/pipecat/services/openai/tts.py
@@ -131,6 +131,15 @@ class OpenAITTSService(TTSService):
         """
         return True
 
+    @property
+    def includes_inter_frame_spaces(self) -> bool:
+        """Indicates that OpenAI TTSTextFrames include necessary inter-frame spaces.
+
+        Returns:
+            True, indicating that OpenAI's text frames include necessary inter-frame spaces.
+        """
+        return True
+
     async def set_model(self, model: str):
         """Set the TTS model to use.