Update app.py

app.py

@@ -61,7 +61,7 @@ def analyze_youtube_video(url: str, question: str) -> str:
             return "Unable to perform analysis: Google API key not set. Get it from https://aistudio.google.com/"
         
         llm = ChatGoogleGenerativeAI(
-            model="gemini-1.5-flash",
+            model="gemini-2.5-flash",
             google_api_key=api_key,
             temperature=0,
             max_output_tokens=4096
@@ -102,7 +102,7 @@ def analyze_text_content(content: str, question: str) -> str:
             return "Unable to perform analysis: Google API key not set."
         
         llm = ChatGoogleGenerativeAI(
-            model="gemini-1.5-flash",
+            model="gemini-2.5-flash",
             google_api_key=api_key,
             temperature=0,
             max_output_tokens=4096
@@ -143,7 +143,7 @@ def direct_reasoning(question: str, context: str = "") -> str:
             return "Google API key not set."
         
         llm = ChatGoogleGenerativeAI(
-            model="gemini-1.5-flash",
+            model="gemini-2.5-flash",
             google_api_key=api_key,
             temperature=0,
             max_output_tokens=4096
@@ -196,7 +196,7 @@ def get_llm():
     if not api_key:
         raise ValueError("GOOGLE_API_KEY environment variable not set. Get it from https://aistudio.google.com/")
     return ChatGoogleGenerativeAI(
-        model="gemini-1.5-flash",
+        model="gemini-2.5-flash",
         google_api_key=api_key,
         temperature=0,
         max_output_tokens=4096