Update api.py

api.py

@@ -205,7 +205,7 @@ def ask():
     # ---------- LLM Query (OpenAI) ----------
     try:
         response = client.chat.completions.create(
-            model="gpt-4o-mini",  # switched to OpenAI model
+            model="gpt-4o",  # switched to OpenAI model
             messages=[
                 {"role": "system", "content": sys_prompt},
                 {"role": "user", "content": user_content},
@@ -242,7 +242,7 @@ def voice_chat():
 
         # Step 2️⃣: Generate answer via GPT
         response = client.chat.completions.create(
-            model="gpt-4o-mini",
+            model="gpt-4o",
             messages=[
                 {
                     "role": "system",
@@ -260,7 +260,7 @@ def voice_chat():
         # Step 3️⃣: Optional TTS response
         speech_file = tempfile.NamedTemporaryFile(delete=False, suffix=".mp3")
         with client.audio.speech.with_streaming_response.create(
-            model="gpt-4o-mini-tts",
+            model="gpt-4o-tts",
             voice="alloy",
             input=answer_text,
         ) as speech: