Update groq_client.py

groq_client.py

@@ -38,7 +38,7 @@ Use clear headings and educational language.
 """
 
     completion = client.chat.completions.create(
-        model="llama3-8b-8192",
+        model="llama-3.1-8b-instant",
         messages=[
             {"role": "system", "content": system_prompt},
             {"role": "user", "content": user_prompt}