diff --git a/homeassistant/components/openai_conversation/config_flow.py b/homeassistant/components/openai_conversation/config_flow.py
index 469d36e28d8..af1ec3d2fc6 100644
--- a/homeassistant/components/openai_conversation/config_flow.py
+++ b/homeassistant/components/openai_conversation/config_flow.py
@@ -86,7 +86,7 @@ class OpenAIConfigFlow(ConfigFlow, domain=DOMAIN):
             errors["base"] = "unknown"
         else:
             return self.async_create_entry(
-                title="OpenAI Conversation",
+                title="ChatGPT",
                 data=user_input,
                 options={CONF_LLM_HASS_API: llm.LLM_API_ASSIST},
             )
diff --git a/homeassistant/components/openai_conversation/conversation.py b/homeassistant/components/openai_conversation/conversation.py
index 7fe4ef6ac04..a878b934317 100644
--- a/homeassistant/components/openai_conversation/conversation.py
+++ b/homeassistant/components/openai_conversation/conversation.py
@@ -12,7 +12,7 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_LLM_HASS_API, MATCH_ALL
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError, TemplateError
-from homeassistant.helpers import intent, llm, template
+from homeassistant.helpers import device_registry as dr, intent, llm, template
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.util import ulid
 
@@ -60,13 +60,20 @@ class OpenAIConversationEntity(
     """OpenAI conversation agent."""
 
     _attr_has_entity_name = True
+    _attr_name = None
 
     def __init__(self, entry: ConfigEntry) -> None:
         """Initialize the agent."""
         self.entry = entry
         self.history: dict[str, list[dict]] = {}
-        self._attr_name = entry.title
         self._attr_unique_id = entry.entry_id
+        self._attr_device_info = dr.DeviceInfo(
+            identifiers={(DOMAIN, entry.entry_id)},
+            name=entry.title,
+            manufacturer="OpenAI",
+            model="ChatGPT",
+            entry_type=dr.DeviceEntryType.SERVICE,
+        )
 
     @property
     def supported_languages(self) -> list[str] | Literal["*"]: