UPDATE: init with default model gpt-5-mini

Author: 01PrathamS

backends/advanced/init.py

@@ -227,7 +227,7 @@ def setup_llm(self):
             else:
                 api_key = self.prompt_value("OpenAI API key (leave empty to skip)", "")
 
-            model = self.prompt_value("OpenAI model", "gpt-4o-mini")
+            model = self.prompt_value("OpenAI model", "gpt-5-mini")
             base_url = self.prompt_value("OpenAI base URL (for proxies/compatible APIs)", "https://api.openai.com/v1")
 
             if api_key: