set gpt-4o as base model

Author: tarun-aiplanet

src/openagi/llms/openai.py

@@ -10,7 +10,7 @@
 class OpenAIConfigModel(LLMConfigModel):
     """Configuration model for OpenAI."""
 
-    model_name: str = "gpt-4-turbo"
+    model_name: str = "gpt-4o"
     openai_api_key: str