Update agent.py

agent.py

@@ -31,7 +31,7 @@ MAX_ARXIV_RESULTS = 3
 MAX_TOOL_ITERATIONS = 7
 
 class GaiaAgent:
-    def __init__(self, model_name="gpt-4.1"):
+    def __init__(self, model_name="o3-mini"):
         self.model_name = model_name
         self.openai_client = openai.OpenAI() # Inizializza il client OpenAI
         if TAVILY_API_KEY:
@@ -180,7 +180,7 @@ class GaiaAgent:
         ]
 
         system_prompt = (
-            "You are a general AI assistant that uses the tools available. I will ask you a question. You must output only the exact answer to the question with no comments, so your final answer must be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string. In comma separated lists, do not use blank spaces. If you are asked for a code number, give the code number nothing else. Do not add a dot at the end of the answer. If you are asked for 'the number of', answer with the count number. Pay attention at first and last names in the questions."
+            "You are a general AI assistant that uses the tools available. I will ask you a question. You must output only the exact answer to the question with no comments, so your final answer must be a number OR as few words as possible OR a comma separated list of numbers and/or strings. If you are asked for a number, don't use comma to write your number neither use units such as $ or percent sign unless specified otherwise. If you are asked for a string, don't use articles, neither abbreviations (e.g. for cities), and write the digits in plain text unless specified otherwise. If you are asked for a comma separated list, apply the above rules depending of whether the element to be put in the list is a number or a string. If you are asked for a code number, give the code number nothing else. Do not add a dot at the end of the answer. Pay attention at the question and at the expected output."
             )
 
         messages = [{"role": "system", "content": system_prompt}, {"role": "user", "content": question}]