diff --git a/homeassistant/components/anthropic/conversation.py b/homeassistant/components/anthropic/conversation.py
index 92a09ad8a10..3d876bf3325 100644
--- a/homeassistant/components/anthropic/conversation.py
+++ b/homeassistant/components/anthropic/conversation.py
@@ -21,6 +21,7 @@ from voluptuous_openapi import convert
 
 from homeassistant.components import conversation
 from homeassistant.components.conversation import trace
+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
@@ -117,6 +118,13 @@ class AnthropicConversationEntity(
         """Return a list of supported languages."""
         return MATCH_ALL
 
+    async def async_added_to_hass(self) -> None:
+        """When entity is added to Home Assistant."""
+        await super().async_added_to_hass()
+        self.entry.async_on_unload(
+            self.entry.add_update_listener(self._async_entry_update_listener)
+        )
+
     async def async_process(
         self, user_input: conversation.ConversationInput
     ) -> conversation.ConversationResult:
@@ -299,3 +307,14 @@ class AnthropicConversationEntity(
         return conversation.ConversationResult(
             response=intent_response, conversation_id=conversation_id
         )
+
+    async def _async_entry_update_listener(
+        self, hass: HomeAssistant, entry: ConfigEntry
+    ) -> None:
+        """Handle options update."""
+        if entry.options.get(CONF_LLM_HASS_API):
+            self._attr_supported_features = (
+                conversation.ConversationEntityFeature.CONTROL
+            )
+        else:
+            self._attr_supported_features = conversation.ConversationEntityFeature(0)