Update app.py

app.py

@@ -111,10 +111,10 @@ class PowerSystemsConsultant:
             
             # Generate response using Groq
             response = self.groq_client.chat.completions.create(
-                model="mixtral-8x7b-32768",
+                model="llama3-70b-8192",
                 messages=messages,
-                max_tokens=1500,
-                temperature=0.7
+                max_tokens=2000,
+                temperature=0.8
             )
             
             return response.choices[0].message.content
@@ -136,7 +136,7 @@ class PowerSystemsConsultant:
             Format as a structured practice pack suitable for exam preparation."""
             
             response = self.groq_client.chat.completions.create(
-                model="mixtral-8x7b-32768",
+                model="llama3-70b-8192",
                 messages=[{"role": "user", "content": prompt}],
                 max_tokens=2000,
                 temperature=0.8