Update api.py

api.py

@@ -283,7 +283,7 @@ def voice_chat():
         try:
             speech_file = tempfile.NamedTemporaryFile(delete=False, suffix=".mp3")
             with client.audio.speech.with_streaming_response.create(
-                model="gpt-4o-tts",
+                model="gpt-4o-mini-tts",
                 voice="alloy",
                 input=answer_text,
             ) as speech: