Update app.py

app.py

@@ -688,7 +688,7 @@ Feel free to ask any question related to Biden’s 2023 State of the Union Addre
 demo_description3 = """
 **Context**:
 Upload a PDF, TXT, or DOCX file and ask a question about its content.
-This demo uses GPT-4 to answer questions based on the content of your uploaded document.
+This demo uses GPT-4o-Mini to answer questions based on the content of your uploaded document.
 
 Feel free to ask any question related to your document.
 """
@@ -699,14 +699,32 @@ Upload a PDF, TXT, or DOCX file to get a concise, structured summary of its cont
 """
 demo_description5 = """
 **Context**:
-This assistant performs multi-agent tasks using tools such as:
-- Document summarisation
-- FAQ-style document Q&A
-- Financial or CSV-style logic queries
-- Multi-step reasoning via agent orchestration
-
-The system will automatically select the appropriate function based on the uploaded file (CSV, PDF, TXT, DOCX) and the query content.
-For example, if the query contains "summarize"/"摘要", it will summarize the document; if it's CSV data, it will perform data analysis.
+This demo presents a GPT-style Multi-Agent AI Assistant, built with **LangChain, CrewAI**, and **RAG (Retrieval-Augmented Generation)**.
+
+The system automatically understands your intent and routes the query to the best expert agent, enabling dynamic **multi-agent orchestration**.
+
+Supported features:
+
+- 📄 **Document Summarisation** (PDF, DOCX, TXT)
+- ❓ **FAQ-style Q&A based on uploaded documents**
+- 🌐 **Live Web Search** (Online Retrieval-Augmented Generation)
+- 📅 **Real-time Date & Time**
+- ➗ **Math and Logic Calculations**
+- 💬 **General Chatting / Reasoning**
+
+Just type a question or upload a file. The assistant figures out the rest.
+
+> *Note: CSV file analysis is coming soon.*
+
+---
+
+**Sample Questions**:
+1. Can you summarise this document in 3 bullet points?
+2. What are the key ideas mentioned in this file?
+3. What is LangChain used for? *(→ Web Retrieval)*
+4. What's the current time in London? *(→ Time Agent)*
+5. What is 25 * (12 + 3)? *(→ Math Agent)*
+6. Tell me a fun fact about AI. *(→ General Chat Agent)*
 """
 
 demo = gr.TabbedInterface(
@@ -757,8 +775,8 @@ demo = gr.TabbedInterface(
     ],
     tab_names=[
         "Biden Q&A (LLaMA)",
-        "Biden Q&A (GPT-4)",
-        "Your Docs Q&A (Upload + GPT-4)",
+        "Biden Q&A (GPT-4o-Mini)",
+        "Your Docs Q&A (Upload + GPT-4o-Mini)",
         "Document Summarization",
         "Multi-Agent AI Assistant"
     ],