Support model config in LLMs (#1495)

mem0/configs/llms/base.py

@@ -0,0 +1,34 @@
+from abc import ABC
+from typing import Optional
+
+class BaseLlmConfig(ABC):
+    """
+    Config for LLMs.
+    """
+
+    def __init__(
+        self,
+        model: Optional[str] = None,
+        temperature: float = 0,
+        max_tokens: int = 3000,
+        top_p: float = 1
+    ):
+        """
+        Initializes a configuration class instance for the LLM.
+
+        :param model: Controls the OpenAI model used, defaults to None
+        :type model: Optional[str], optional
+        :param temperature:  Controls the randomness of the model's output.
+        Higher values (closer to 1) make output more random, lower values make it more deterministic, defaults to 0
+        :type temperature: float, optional
+        :param max_tokens: Controls how many tokens are generated, defaults to 3000
+        :type max_tokens: int, optional
+        :param top_p: Controls the diversity of words. Higher values (closer to 1) make word selection more diverse,
+        defaults to 1
+        :type top_p: float, optional
+        """
+        
+        self.model = model
+        self.temperature = temperature
+        self.max_tokens = max_tokens
+        self.top_p = top_p