Update app.py

app.py

@@ -558,6 +558,7 @@ STANDARD_TEXT_MODELS = [
     "gpt-5.6-sol",
     "gpt-5.6-terra",
     "gpt-5.6-luna",
+    "gpt-6-astra",
     "gpt-5",
     "gpt-5-mini",
     "gpt-4o-2024-08-06",
@@ -670,7 +671,7 @@ def conditional_llm(
 def generate_audio(
     files: list,
     openai_api_key: str = None,
-    text_model: str = "gpt-5.6-sol", #o1-2024-12-17", #"o1-preview-2024-09-12",
+    text_model: str = "gpt-6-astra", #"gpt-5.6-sol", #o1-2024-12-17", #"o1-preview-2024-09-12",
     reasoning_effort: str = "N/A",
     do_web_search: bool = False, 
     audio_model: str = "tts-1",
@@ -1024,7 +1025,7 @@ with gr.Blocks(title="PDF to Audio", css="""
             text_model = gr.Dropdown(
                 label="Text Generation Model",
                 choices=STANDARD_TEXT_MODELS,
-                value="gpt-5.6-sol", #"o3-mini", #"o4-mini", #"o1-preview-2024-09-12", #"gpt-4o-mini",
+                value="gpt-6-astra", #"gpt-5.6-sol", #"o3-mini", #"o4-mini", #"o1-preview-2024-09-12", #"gpt-4o-mini",
                 info="Select the model to generate the dialogue text.",
             )
             reasoning_effort = gr.Dropdown(