diff --git a/simplemind/models.py b/simplemind/models.py
index 50d931d..1f92757 100644
--- a/simplemind/models.py
+++ b/simplemind/models.py
@@ -13,6 +13,9 @@ class SMBaseModel(BaseModel):
     def __str__(self):
         return f"<{self.__class__.__name__} {self.model_dump_json()}>"
 
+    def __repr__(self):
+        return str(self)
+
 
 class Message(SMBaseModel):
     role: str
@@ -51,4 +54,7 @@ class Conversation(SMBaseModel):
     ) -> Message:
         """Send the conversation to the LLM."""
         provider = find_provider(llm_provider or self.llm_provider)
-        return provider.send_conversation(self)
+        response = provider.send_conversation(self)
+
+        self.add_message(role="assistant", text=response.text, meta=response.meta)
+        return response
diff --git a/t.py b/t.py
index ff34b99..c799eb0 100644
--- a/t.py
+++ b/t.py
@@ -2,6 +2,7 @@ import simplemind as sm
 
 conversation = sm.create_conversation()
 conversation.add_message(role="user", text="Hello, how are you? Do you like poetry?")
-r = conversation.send(llm_provider="anthropic")
+r = conversation.send(llm_provider="openai")
 
 print(r.text)
+print(conversation.messages)