diff --git a/src/notebookllama/llm_factory.py b/src/notebookllama/llm_factory.py
index d60df74..b16afb0 100644
--- a/src/notebookllama/llm_factory.py
+++ b/src/notebookllama/llm_factory.py
@@ -29,7 +29,7 @@ def get_llm_by_type(model_type: str = 'openai'):
             raise ValueError("GOOGLE_API_KEY not found in environment")
 
         return Gemini(
-            model="models/gemini-2.0-flash-exp",
+            model="models/gemini-2.5-pro-latest",
             api_key=api_key,
             temperature=0.7
         )
@@ -66,7 +66,7 @@ def get_model_display_name(model_type: str) -> str:
     """Get user-friendly model name"""
     names = {
         'openai': 'OpenAI GPT-4',
-        'gemini': 'Google Gemini 2.0 Flash'
+        'gemini': 'Google Gemini 2.5 Pro'
     }
     return names.get(model_type, 'Unknown Model')
 
@@ -88,9 +88,9 @@ MODEL_COSTS = {
         'description': 'GPT-4 - Most capable, highest quality'
     },
     'gemini': {
-        'input': 0.0,  # Free tier available
-        'output': 0.0,  # Free tier available
-        'description': 'Gemini 2.0 Flash - Fast, cost-effective'
+        'input': 1.25,  # $1.25 per 1M tokens
+        'output': 5.0,  # $5.00 per 1M tokens
+        'description': 'Gemini 2.5 Pro - Latest, most capable, 80% cheaper than GPT-4'
     }
 }
 
diff --git a/src/notebookllama/pages/1_My_Notebooks.py b/src/notebookllama/pages/1_My_Notebooks.py
index d13cc4e..c32e57d 100644
--- a/src/notebookllama/pages/1_My_Notebooks.py
+++ b/src/notebookllama/pages/1_My_Notebooks.py
@@ -97,10 +97,10 @@ if st.session_state.get("creating_notebook"):
         model_choice = st.selectbox(
             "Choose AI Model:",
             options=['openai', 'gemini'],
-            format_func=lambda x: "🤖 OpenAI GPT-4 (Most capable)" if x == 'openai' else "✨ Google Gemini 2.0 Flash (Fast & Free)",
+            format_func=lambda x: "🤖 OpenAI GPT-4 (Most capable)" if x == 'openai' else "✨ Google Gemini 2.5 Pro (Latest, 80% cheaper)",
             help="Model used for chat, synthesis, and podcasts. Can't be changed after creation."
         )
-        st.caption("💰 OpenAI: ~$0.03/1K tokens | Gemini: Free tier available")
+        st.caption("💰 OpenAI: $30/1M input, $60/1M output | Gemini 2.5 Pro: $1.25/1M input, $5/1M output")
 
         st.markdown("### Upload Documents (optional)")
         uploaded_files = st.file_uploader(
diff --git a/src/notebookllama/pages/3_Notebook_Chat.py b/src/notebookllama/pages/3_Notebook_Chat.py
index 70f39c2..0838207 100644
--- a/src/notebookllama/pages/3_Notebook_Chat.py
+++ b/src/notebookllama/pages/3_Notebook_Chat.py
@@ -295,7 +295,12 @@ with col_chat:
                 for msg in messages
             ]
 
-    st.caption(f"Chatting across {len(documents)} document(s) in this notebook only")
+    # Show which model is being used
+    from llm_factory import get_model_display_name, get_model_emoji
+    model_name = get_model_display_name(notebook.model_type)
+    model_emoji = get_model_emoji(notebook.model_type)
+
+    st.caption(f"{model_emoji} Using {model_name} | Chatting across {len(documents)} document(s)")
     st.markdown("---")
 
     # Display chat messages