diff --git a/homeassistant/components/anthropic/strings.json b/homeassistant/components/anthropic/strings.json
index 098b4d5fa74..983260a3c95 100644
--- a/homeassistant/components/anthropic/strings.json
+++ b/homeassistant/components/anthropic/strings.json
@@ -29,7 +29,7 @@
         "set_options": {
           "data": {
             "name": "[%key:common::config_flow::data::name%]",
-            "prompt": "Instructions",
+            "prompt": "[%key:common::config_flow::data::prompt%]",
             "chat_model": "[%key:common::generic::model%]",
             "max_tokens": "Maximum tokens to return in response",
             "temperature": "Temperature",
diff --git a/homeassistant/components/google_generative_ai_conversation/strings.json b/homeassistant/components/google_generative_ai_conversation/strings.json
index 5af1fe33ce4..11e7c75c8ba 100644
--- a/homeassistant/components/google_generative_ai_conversation/strings.json
+++ b/homeassistant/components/google_generative_ai_conversation/strings.json
@@ -34,7 +34,7 @@
           "data": {
             "name": "[%key:common::config_flow::data::name%]",
             "recommended": "Recommended model settings",
-            "prompt": "Instructions",
+            "prompt": "[%key:common::config_flow::data::prompt%]",
             "chat_model": "[%key:common::generic::model%]",
             "temperature": "Temperature",
             "top_p": "Top P",
@@ -72,7 +72,7 @@
           "data": {
             "name": "[%key:common::config_flow::data::name%]",
             "recommended": "[%key:component::google_generative_ai_conversation::config_subentries::conversation::step::set_options::data::recommended%]",
-            "prompt": "Instructions",
+            "prompt": "[%key:common::config_flow::data::prompt%]",
             "chat_model": "[%key:common::generic::model%]",
             "temperature": "[%key:component::google_generative_ai_conversation::config_subentries::conversation::step::set_options::data::temperature%]",
             "top_p": "[%key:component::google_generative_ai_conversation::config_subentries::conversation::step::set_options::data::top_p%]",
diff --git a/homeassistant/components/ollama/strings.json b/homeassistant/components/ollama/strings.json
index 4261b2286bf..87d2048a966 100644
--- a/homeassistant/components/ollama/strings.json
+++ b/homeassistant/components/ollama/strings.json
@@ -28,7 +28,7 @@
           "data": {
             "model": "Model",
             "name": "[%key:common::config_flow::data::name%]",
-            "prompt": "Instructions",
+            "prompt": "[%key:common::config_flow::data::prompt%]",
             "llm_hass_api": "[%key:common::config_flow::data::llm_hass_api%]",
             "max_history": "Max history messages",
             "num_ctx": "Context window size",
@@ -67,7 +67,7 @@
           "data": {
             "model": "[%key:component::ollama::config_subentries::conversation::step::set_options::data::model%]",
             "name": "[%key:common::config_flow::data::name%]",
-            "prompt": "[%key:component::ollama::config_subentries::conversation::step::set_options::data::prompt%]",
+            "prompt": "[%key:common::config_flow::data::prompt%]",
             "max_history": "[%key:component::ollama::config_subentries::conversation::step::set_options::data::max_history%]",
             "num_ctx": "[%key:component::ollama::config_subentries::conversation::step::set_options::data::num_ctx%]",
             "keep_alive": "[%key:component::ollama::config_subentries::conversation::step::set_options::data::keep_alive%]",
diff --git a/homeassistant/components/openai_conversation/strings.json b/homeassistant/components/openai_conversation/strings.json
index fef955b4fa9..4446eff2c9e 100644
--- a/homeassistant/components/openai_conversation/strings.json
+++ b/homeassistant/components/openai_conversation/strings.json
@@ -28,7 +28,7 @@
         "init": {
           "data": {
             "name": "[%key:common::config_flow::data::name%]",
-            "prompt": "Instructions",
+            "prompt": "[%key:common::config_flow::data::prompt%]",
             "llm_hass_api": "[%key:common::config_flow::data::llm_hass_api%]",
             "recommended": "Recommended model settings"
           },
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 6b4f16c316f..2daa6d91db2 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -245,6 +245,7 @@ CONF_PLATFORM: Final = "platform"
 CONF_PORT: Final = "port"
 CONF_PREFIX: Final = "prefix"
 CONF_PROFILE_NAME: Final = "profile_name"
+CONF_PROMPT: Final = "prompt"
 CONF_PROTOCOL: Final = "protocol"
 CONF_PROXY_SSL: Final = "proxy_ssl"
 CONF_QUOTE: Final = "quote"
diff --git a/homeassistant/strings.json b/homeassistant/strings.json
index 80ced039e46..8e232498177 100644
--- a/homeassistant/strings.json
+++ b/homeassistant/strings.json
@@ -65,6 +65,7 @@
         "path": "Path",
         "pin": "PIN code",
         "port": "Port",
+        "prompt": "Instructions",
         "ssl": "Uses an SSL certificate",
         "url": "URL",
         "usb_path": "USB device path",