Update app.py

app.py

@@ -248,7 +248,7 @@ with gr.Blocks(css="""#chatbot { font-size: 14px; min-height: 1200; }""") as dem
             # API Key and File Inputs
             with gr.Accordion("API Key and PDF"):
                 openAI_key = gr.Textbox(label='Enter your OpenAI API key here', type='password')
-                url = gr.Textbox(label='Enter PDF URL here (Example: https://arxiv.org/pdf/1706.03762.pdf)')
+                url = gr.Textbox(label='Enter PDF URL here (Example: https://arxiv.org/pdf/1706.03762.pdf ; https://link.springer.com/content/pdf/10.1007/s10614-022-10325-8.pdf)')
                 gr.Markdown("<center><h4>OR<h4></center>")
                 file = gr.File(label='Upload your PDF/Research Paper/Book here', file_types=['.pdf'])
             
@@ -257,11 +257,10 @@ with gr.Blocks(css="""#chatbot { font-size: 14px; min-height: 1200; }""") as dem
                 choices=[
                     'gpt-4o',
                     'gpt-4o-mini',
-                    'o1-preview',
-                    'o1-mini'
+                    'gpt-4',
                 ], 
                 label='Select Model', 
-                value='gpt-4o'
+                value='gpt-4o-mini'
             )
 
             # Chat Interface