diff --git a/client/src/locales/en/translation.json b/client/src/locales/en/translation.json
index 1b84930e7d..862dd8d5fa 100644
--- a/client/src/locales/en/translation.json
+++ b/client/src/locales/en/translation.json
@@ -1019,6 +1019,7 @@
   "com_ui_hide_password": "Hide password",
   "com_ui_hide_qr": "Hide QR Code",
   "com_ui_high": "High",
+  "com_ui_xhigh": "Extra High",
   "com_ui_host": "Host",
   "com_ui_icon": "Icon",
   "com_ui_idea": "Ideas",
diff --git a/packages/data-provider/src/parameterSettings.ts b/packages/data-provider/src/parameterSettings.ts
index b3ed86b0f3..3a9425bca1 100644
--- a/packages/data-provider/src/parameterSettings.ts
+++ b/packages/data-provider/src/parameterSettings.ts
@@ -239,6 +239,7 @@ const openAIParams: Record<string, SettingDefinition> = {
       ReasoningEffort.low,
       ReasoningEffort.medium,
       ReasoningEffort.high,
+      ReasoningEffort.xhigh,
     ],
     enumMappings: {
       [ReasoningEffort.unset]: 'com_ui_auto',
@@ -247,6 +248,7 @@ const openAIParams: Record<string, SettingDefinition> = {
       [ReasoningEffort.low]: 'com_ui_low',
       [ReasoningEffort.medium]: 'com_ui_medium',
       [ReasoningEffort.high]: 'com_ui_high',
+      [ReasoningEffort.xhigh]: 'com_ui_xhigh',
     },
     optionType: 'model',
     columnSpan: 4,
diff --git a/packages/data-provider/src/schemas.ts b/packages/data-provider/src/schemas.ts
index 0266ee5109..9a4b627e17 100644
--- a/packages/data-provider/src/schemas.ts
+++ b/packages/data-provider/src/schemas.ts
@@ -166,6 +166,7 @@ export enum ReasoningEffort {
   low = 'low',
   medium = 'medium',
   high = 'high',
+  xhigh = 'xhigh',
 }
 
 export enum ReasoningSummary {