diff --git a/custom_components/yandexgpt_conversation/config_flow.py b/custom_components/yandexgpt_conversation/config_flow.py
index e183582..f6a1184 100644
--- a/custom_components/yandexgpt_conversation/config_flow.py
+++ b/custom_components/yandexgpt_conversation/config_flow.py
@@ -33,13 +33,12 @@
     CONF_CHAT_MODEL,
     CONF_FOLDER_ID,
     CONF_MAX_TOKENS,
-    CONF_MODEL_NAME,
     CONF_MODEL_VERSION,
     CONF_PROMPT,
     CONF_RECOMMENDED,
     CONF_TEMPERATURE,
+    DEFAULT_CHAT_MODEL,
     DEFAULT_INSTRUCTIONS_PROMPT_RU,
-    DEFAULT_MODEL_NAME,
     DEFAULT_MODEL_VERSION,
     DOMAIN,
     RECOMMENDED_MAX_TOKENS,
@@ -126,7 +125,7 @@ async def async_step_init(
                 CONF_RECOMMENDED: user_input[CONF_RECOMMENDED],
                 CONF_PROMPT: user_input[CONF_PROMPT],
                 CONF_LLM_HASS_API: user_input[CONF_LLM_HASS_API],
-                CONF_MODEL_NAME: user_input[CONF_MODEL_NAME],
+                CONF_CHAT_MODEL: user_input[CONF_CHAT_MODEL],
             }
 
         suggested_values = options.copy()
@@ -135,7 +134,7 @@ async def async_step_init(
 
         if suggested_values.get(CONF_CHAT_MODEL):
             deprecated_model_name = suggested_values[CONF_CHAT_MODEL].split("/")[0]
-            suggested_values[CONF_MODEL_NAME] = deprecated_model_name
+            suggested_values[CONF_CHAT_MODEL] = deprecated_model_name
 
         schema = self.add_suggested_values_to_schema(
             vol.Schema(yandexgpt_config_option_schema(self.hass, options)),
@@ -185,9 +184,9 @@ def yandexgpt_config_option_schema(
             SelectSelectorConfig(options=hass_apis, translation_key=CONF_LLM_HASS_API)
         ),
         vol.Optional(
-            CONF_MODEL_NAME,
-            description={"suggested_value": options.get(CONF_MODEL_NAME)},
-            default=DEFAULT_MODEL_NAME,
+            CONF_CHAT_MODEL,
+            description={"suggested_value": options.get(CONF_CHAT_MODEL)},
+            default=DEFAULT_CHAT_MODEL,
         ): SelectSelector(
             SelectSelectorConfig(mode=SelectSelectorMode.DROPDOWN, options=model_names)
         ),
diff --git a/custom_components/yandexgpt_conversation/const.py b/custom_components/yandexgpt_conversation/const.py
index d0b97a9..381c7f0 100644
--- a/custom_components/yandexgpt_conversation/const.py
+++ b/custom_components/yandexgpt_conversation/const.py
@@ -14,10 +14,9 @@
 CONF_RECOMMENDED = "recommended"
 CONF_MAX_TOKENS = "max_tokens"
 CONF_TEMPERATURE = "temperature"
-CONF_CHAT_MODEL = "chat_model"  # deprecated
-CONF_MODEL_NAME = "model_name"
+CONF_CHAT_MODEL = "chat_model"
 CONF_MODEL_VERSION = "model_version"
-DEFAULT_MODEL_NAME = "yandexgpt-lite"
+DEFAULT_CHAT_MODEL = "yandexgpt-lite"
 DEFAULT_MODEL_VERSION = "latest"
 RECOMMENDED_MAX_TOKENS = 1024
 RECOMMENDED_TEMPERATURE = 0.6
diff --git a/custom_components/yandexgpt_conversation/conversation.py b/custom_components/yandexgpt_conversation/conversation.py
index d8438ff..d536a6e 100644
--- a/custom_components/yandexgpt_conversation/conversation.py
+++ b/custom_components/yandexgpt_conversation/conversation.py
@@ -25,12 +25,11 @@
     BASE_PROMPT_RU,
     CONF_CHAT_MODEL,
     CONF_MAX_TOKENS,
-    CONF_MODEL_NAME,
     CONF_MODEL_VERSION,
     CONF_PROMPT,
     CONF_TEMPERATURE,
+    DEFAULT_CHAT_MODEL,
     DEFAULT_INSTRUCTIONS_PROMPT_RU,
-    DEFAULT_MODEL_NAME,
     DEFAULT_MODEL_VERSION,
     DOMAIN,
     LOGGER,
@@ -190,9 +189,8 @@ async def async_process(
         )
 
         client: AsyncYCloudML = self.entry.runtime_data
-        model_name = options.get(CONF_MODEL_NAME, DEFAULT_MODEL_NAME)
         # model name and version were stored in a different format previously
-        model_name = options.get(CONF_CHAT_MODEL, model_name).split("/")[0]
+        model_name = options.get(CONF_CHAT_MODEL, DEFAULT_CHAT_MODEL).split("/")[0]
         model_ver = options.get(CONF_MODEL_VERSION, DEFAULT_MODEL_VERSION)
         model_conf = {
             "temperature": options.get(CONF_TEMPERATURE, RECOMMENDED_TEMPERATURE),