diff --git a/web/app/components/header/account-setting/model-provider-page/model-modal/__tests__/index.spec.tsx b/web/app/components/header/account-setting/model-provider-page/model-modal/__tests__/index.spec.tsx
index 0fe1deffceb..edffedbcf0b 100644
--- a/web/app/components/header/account-setting/model-provider-page/model-modal/__tests__/index.spec.tsx
+++ b/web/app/components/header/account-setting/model-provider-page/model-modal/__tests__/index.spec.tsx
@@ -1,5 +1,6 @@
 import type * as React from 'react'
 import type { Credential, CredentialFormSchema, ModelProvider } from '../../declarations'
+import type { FormSchema } from '@/app/components/base/form/types'
 import { fireEvent, render, screen, waitFor, within } from '@testing-library/react'
 import {
   ConfigurationMethodEnum,
@@ -125,8 +126,10 @@ vi.mock('@/app/components/base/form/form-scenarios/auth', async () => {
   const AuthForm = React.forwardRef(
     (
       {
+        formSchemas,
         onChange,
       }: {
+        formSchemas: FormSchema[]
         onChange?: (field: string, value: string) => void
       },
       ref: React.ForwardedRef<{
@@ -141,6 +144,12 @@ vi.mock('@/app/components/base/form/form-scenarios/auth', async () => {
       }))
       return (
         <div>
+          {formSchemas.map(
+            (schema) =>
+              typeof schema.description === 'string' && (
+                <div key={schema.name}>{schema.description}</div>
+              ),
+          )}
           <button type="button" onClick={() => onChange?.('__model_name', 'updated-model')}>
             Model Name Change
           </button>
@@ -281,6 +290,61 @@ describe('ModelModal', () => {
     expect(screen.getByText('common.modelProvider.auth.modelCredential'))!.toBeInTheDocument()
   })
 
+  it('should show the Responses API tip only for official OpenAI credential forms', () => {
+    const tip = 'common.modelProvider.auth.openAIResponsesAPITip'
+    mockState.formSchemas = [
+      { variable: 'api_protocol', type: 'select' } as unknown as CredentialFormSchema,
+    ]
+
+    const officialOpenAI = renderModal({
+      provider: createProvider({ provider: 'langgenius/openai/openai' }),
+    })
+    expect(screen.getByText(tip))!.toBeInTheDocument()
+    officialOpenAI.unmount()
+
+    const legacyOpenAI = renderModal()
+    expect(screen.getByText(tip))!.toBeInTheDocument()
+    legacyOpenAI.unmount()
+
+    mockState.formSchemas = []
+    const openAIWithoutProtocolField = renderModal()
+    expect(screen.queryByText(tip)).not.toBeInTheDocument()
+    openAIWithoutProtocolField.unmount()
+
+    mockState.formSchemas = [
+      { variable: 'api_protocol', type: 'select' } as unknown as CredentialFormSchema,
+    ]
+    renderModal({
+      provider: createProvider({ provider: 'langgenius/azure_openai/azure_openai' }),
+    })
+    expect(screen.queryByText(tip)).not.toBeInTheDocument()
+  })
+
+  it('should show the Responses API tip when adding a new custom model credential', () => {
+    const tip = 'common.modelProvider.auth.openAIResponsesAPITip'
+    mockState.formSchemas = [
+      { variable: 'api_protocol', type: 'select' } as unknown as CredentialFormSchema,
+    ]
+    const customModel = renderModal({ mode: ModelModalModeEnum.configCustomModel })
+    expect(screen.getByText(tip))!.toBeInTheDocument()
+    customModel.unmount()
+
+    const modelCredential = renderModal({
+      mode: ModelModalModeEnum.configModelCredential,
+      model: { model: 'gpt-5.6', model_type: ModelTypeEnum.textGeneration },
+    })
+    expect(screen.getByText(tip))!.toBeInTheDocument()
+    modelCredential.unmount()
+
+    renderModal({ mode: ModelModalModeEnum.addCustomModelToModelList })
+
+    expect(screen.queryByText(tip)).not.toBeInTheDocument()
+
+    fireEvent.click(screen.getByText('Add New'))
+
+    expect(screen.getByText(tip))!.toBeInTheDocument()
+  })
+
   it('should call onCancel when the cancel button is clicked', () => {
     const { onCancel } = renderModal()
 
diff --git a/web/app/components/header/account-setting/model-provider-page/model-modal/index.tsx b/web/app/components/header/account-setting/model-provider-page/model-modal/index.tsx
index ae48f2a9aed..e33977a3c3f 100644
--- a/web/app/components/header/account-setting/model-provider-page/model-modal/index.tsx
+++ b/web/app/components/header/account-setting/model-provider-page/model-modal/index.tsx
@@ -30,6 +30,7 @@ import {
 import ModelIcon from '@/app/components/header/account-setting/model-provider-page/model-icon'
 import { useCredentialPermissions } from '@/hooks/use-credential-permissions'
 import { useRenderI18nObject } from '@/hooks/use-i18n'
+import { ModelProviderQuotaGetPaid } from '@/types/model-provider'
 import { ConfigurationMethodEnum, FormTypeEnum, ModelModalModeEnum } from '../declarations'
 import { useLanguage } from '../hooks'
 import { CredentialSelector } from '../model-auth'
@@ -285,6 +286,8 @@ const ModelModal: FC<ModelModalProps> = ({
     if (getForm()) getForm()?.setFieldValue(field, value)
   }, [])
   const notAllowCustomCredential = provider.allow_custom_token === false
+  const isOfficialOpenAIProvider =
+    provider.provider === ModelProviderQuotaGetPaid.OPENAI || provider.provider === 'openai'
 
   const handleOpenChange = useCallback(
     (open: boolean) => {
@@ -357,6 +360,13 @@ const ModelModal: FC<ModelModalProps> = ({
                     ...formSchema,
                     name: formSchema.variable,
                     showRadioUI: formSchema.type === FormTypeEnum.radio,
+                    ...(isOfficialOpenAIProvider && formSchema.variable === 'api_protocol'
+                      ? {
+                          description: t(($) => $['modelProvider.auth.openAIResponsesAPITip'], {
+                            ns: 'common',
+                          }),
+                        }
+                      : {}),
                   }
                 }) as FormSchema[]
               }
diff --git a/web/i18n/ar-TN/common.json b/web/i18n/ar-TN/common.json
index 481715ba874..b37d1e3ff41 100644
--- a/web/i18n/ar-TN/common.json
+++ b/web/i18n/ar-TN/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "إدارة بيانات الاعتماد",
   "modelProvider.auth.modelCredential": "بيانات اعتماد النموذج",
   "modelProvider.auth.modelCredentials": "بيانات اعتماد النموذج",
+  "modelProvider.auth.openAIResponsesAPITip": "بالنسبة إلى نماذج GPT-5.6 والإصدارات الأحدث، نوصي باستخدام Responses API.",
   "modelProvider.auth.providerManaged": "مدار من قبل المزود",
   "modelProvider.auth.providerManagedTip": "يتم استضافة التكوين الحالي بواسطة المزود.",
   "modelProvider.auth.removeModel": "إزالة النموذج",
diff --git a/web/i18n/de-DE/common.json b/web/i18n/de-DE/common.json
index c3f9ba7ba2f..10b45574ba1 100644
--- a/web/i18n/de-DE/common.json
+++ b/web/i18n/de-DE/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Anmeldeinformationen verwalten",
   "modelProvider.auth.modelCredential": "Zeugnis des Modells",
   "modelProvider.auth.modelCredentials": "Modellanmeldeinformationen",
+  "modelProvider.auth.openAIResponsesAPITip": "Für GPT-5.6 und neuere Modelle empfehlen wir die Verwendung der Responses API.",
   "modelProvider.auth.providerManaged": "Anbieter verwaltet",
   "modelProvider.auth.providerManagedTip": "Die aktuelle Konfiguration wird vom Anbieter gehostet.",
   "modelProvider.auth.removeModel": "Modell entfernen",
diff --git a/web/i18n/en-US/common.json b/web/i18n/en-US/common.json
index 24463b81521..00c83f9528c 100644
--- a/web/i18n/en-US/common.json
+++ b/web/i18n/en-US/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Manage Credentials",
   "modelProvider.auth.modelCredential": "Model credential",
   "modelProvider.auth.modelCredentials": "Model credentials",
+  "modelProvider.auth.openAIResponsesAPITip": "For GPT-5.6 and later models, we recommend using the Responses API.",
   "modelProvider.auth.providerManaged": "Provider managed",
   "modelProvider.auth.providerManagedTip": "The current configuration is hosted by the provider.",
   "modelProvider.auth.removeModel": "Remove Model",
diff --git a/web/i18n/es-ES/common.json b/web/i18n/es-ES/common.json
index 8d60586957b..d859fbb22e2 100644
--- a/web/i18n/es-ES/common.json
+++ b/web/i18n/es-ES/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Administrar credenciales",
   "modelProvider.auth.modelCredential": "Credencial modelo",
   "modelProvider.auth.modelCredentials": "Credenciales del modelo",
+  "modelProvider.auth.openAIResponsesAPITip": "Para GPT-5.6 y modelos posteriores, recomendamos usar la API Responses.",
   "modelProvider.auth.providerManaged": "Proveedor gestionado",
   "modelProvider.auth.providerManagedTip": "La configuración actual es hospedada por el proveedor.",
   "modelProvider.auth.removeModel": "Eliminar modelo",
diff --git a/web/i18n/fa-IR/common.json b/web/i18n/fa-IR/common.json
index 9f378917c79..ef78f2b0763 100644
--- a/web/i18n/fa-IR/common.json
+++ b/web/i18n/fa-IR/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "مدیریت اعتبارنامه ها",
   "modelProvider.auth.modelCredential": "اعتبار مدل",
   "modelProvider.auth.modelCredentials": "مدل اعتبارنامه",
+  "modelProvider.auth.openAIResponsesAPITip": "برای مدل‌های GPT-5.6 و جدیدتر، استفاده از Responses API را توصیه می‌کنیم.",
   "modelProvider.auth.providerManaged": "مدیریت شده توسط ارائه‌دهنده",
   "modelProvider.auth.providerManagedTip": "تنظیمات فعلی توسط ارائه‌دهنده میزبانی می‌شود.",
   "modelProvider.auth.removeModel": "حذف مدل",
diff --git a/web/i18n/fr-FR/common.json b/web/i18n/fr-FR/common.json
index b1d66c2b080..7710080d9f0 100644
--- a/web/i18n/fr-FR/common.json
+++ b/web/i18n/fr-FR/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Gérer les informations d’identification",
   "modelProvider.auth.modelCredential": "Références du modèle",
   "modelProvider.auth.modelCredentials": "Informations d'identification du modèle",
+  "modelProvider.auth.openAIResponsesAPITip": "Pour GPT-5.6 et les modèles ultérieurs, nous recommandons d’utiliser l’API Responses.",
   "modelProvider.auth.providerManaged": "Fournisseur géré",
   "modelProvider.auth.providerManagedTip": "La configuration actuelle est hébergée par le fournisseur.",
   "modelProvider.auth.removeModel": "Supprimer le modèle",
diff --git a/web/i18n/hi-IN/common.json b/web/i18n/hi-IN/common.json
index 1c1cb77836d..4c27f5e4516 100644
--- a/web/i18n/hi-IN/common.json
+++ b/web/i18n/hi-IN/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "क्रेडेंशियल्स प्रबंधित करें",
   "modelProvider.auth.modelCredential": "मॉडल क्रेडेंशियल",
   "modelProvider.auth.modelCredentials": "मॉडल क्रेडेंशियल्स",
+  "modelProvider.auth.openAIResponsesAPITip": "GPT-5.6 और बाद के मॉडल के लिए, हम Responses API का उपयोग करने की सलाह देते हैं।",
   "modelProvider.auth.providerManaged": "प्रदाता द्वारा प्रबंधित",
   "modelProvider.auth.providerManagedTip": "वर्तमान कॉन्फ़िगरेशन प्रदाता द्वारा होस्ट किया गया है।",
   "modelProvider.auth.removeModel": "मॉडल हटाएं",
diff --git a/web/i18n/id-ID/common.json b/web/i18n/id-ID/common.json
index 48e95cdc16f..a3f44326ba6 100644
--- a/web/i18n/id-ID/common.json
+++ b/web/i18n/id-ID/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Kelola Kredensial",
   "modelProvider.auth.modelCredential": "Kredensial model",
   "modelProvider.auth.modelCredentials": "Kredensial model",
+  "modelProvider.auth.openAIResponsesAPITip": "Untuk GPT-5.6 dan model yang lebih baru, kami menyarankan penggunaan Responses API.",
   "modelProvider.auth.providerManaged": "Penyedia dikelola",
   "modelProvider.auth.providerManagedTip": "Konfigurasi saat ini dihosting oleh penyedia.",
   "modelProvider.auth.removeModel": "Hapus Model",
diff --git a/web/i18n/it-IT/common.json b/web/i18n/it-IT/common.json
index f19d52870a0..abd62d07d00 100644
--- a/web/i18n/it-IT/common.json
+++ b/web/i18n/it-IT/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Gestisci credenziali",
   "modelProvider.auth.modelCredential": "Credenziale del modello",
   "modelProvider.auth.modelCredentials": "Credenziali del modello",
+  "modelProvider.auth.openAIResponsesAPITip": "Per GPT-5.6 e modelli successivi, consigliamo di utilizzare la Responses API.",
   "modelProvider.auth.providerManaged": "Fornitore gestito",
   "modelProvider.auth.providerManagedTip": "La configurazione attuale è ospitata dal fornitore.",
   "modelProvider.auth.removeModel": "Rimuovi modello",
diff --git a/web/i18n/ja-JP/common.json b/web/i18n/ja-JP/common.json
index 8a2d7741e7d..c866dc7b54d 100644
--- a/web/i18n/ja-JP/common.json
+++ b/web/i18n/ja-JP/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "認証情報を管理",
   "modelProvider.auth.modelCredential": "モデルの資格情報",
   "modelProvider.auth.modelCredentials": "モデルの資格情報",
+  "modelProvider.auth.openAIResponsesAPITip": "GPT-5.6 以降のモデルでは、Responses API の使用をお勧めします。",
   "modelProvider.auth.providerManaged": "プロバイダー管理",
   "modelProvider.auth.providerManagedTip": "現在の設定はプロバイダーによってホストされています。",
   "modelProvider.auth.removeModel": "モデルを削除",
diff --git a/web/i18n/ko-KR/common.json b/web/i18n/ko-KR/common.json
index eb6ff0cdf78..78e6594c287 100644
--- a/web/i18n/ko-KR/common.json
+++ b/web/i18n/ko-KR/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "자격 증명 관리",
   "modelProvider.auth.modelCredential": "모델 자격 증명",
   "modelProvider.auth.modelCredentials": "모델 자격 증명",
+  "modelProvider.auth.openAIResponsesAPITip": "GPT-5.6 이상 모델에서는 Responses API 사용을 권장합니다.",
   "modelProvider.auth.providerManaged": "제공자가 관리하는",
   "modelProvider.auth.providerManagedTip": "현재 구성은 제공업체에 의해 호스팅되고 있습니다.",
   "modelProvider.auth.removeModel": "모델 제거",
diff --git a/web/i18n/nl-NL/common.json b/web/i18n/nl-NL/common.json
index a2e640c97ab..05eba709db4 100644
--- a/web/i18n/nl-NL/common.json
+++ b/web/i18n/nl-NL/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Manage Credentials",
   "modelProvider.auth.modelCredential": "Model credential",
   "modelProvider.auth.modelCredentials": "Model credentials",
+  "modelProvider.auth.openAIResponsesAPITip": "Voor GPT-5.6 en nieuwere modellen raden we het gebruik van de Responses API aan.",
   "modelProvider.auth.providerManaged": "Provider managed",
   "modelProvider.auth.providerManagedTip": "The current configuration is hosted by the provider.",
   "modelProvider.auth.removeModel": "Remove Model",
diff --git a/web/i18n/pl-PL/common.json b/web/i18n/pl-PL/common.json
index 9f2643167b4..8c90401a2e2 100644
--- a/web/i18n/pl-PL/common.json
+++ b/web/i18n/pl-PL/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Zarządzanie poświadczeniami",
   "modelProvider.auth.modelCredential": "Poświadczenie modelu",
   "modelProvider.auth.modelCredentials": "Uprawnienia modelu",
+  "modelProvider.auth.openAIResponsesAPITip": "W przypadku modelu GPT-5.6 i nowszych zalecamy korzystanie z interfejsu Responses API.",
   "modelProvider.auth.providerManaged": "Zarządzane przez dostawcę",
   "modelProvider.auth.providerManagedTip": "Bieżąca konfiguracja jest hostowana przez dostawcę.",
   "modelProvider.auth.removeModel": "Usuń model",
diff --git a/web/i18n/pt-BR/common.json b/web/i18n/pt-BR/common.json
index ee48ef3cc86..ea3f78cb41e 100644
--- a/web/i18n/pt-BR/common.json
+++ b/web/i18n/pt-BR/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Gerenciar credenciais",
   "modelProvider.auth.modelCredential": "Credencial de modelo",
   "modelProvider.auth.modelCredentials": "Credenciais do modelo",
+  "modelProvider.auth.openAIResponsesAPITip": "Para o GPT-5.6 e modelos posteriores, recomendamos usar a API Responses.",
   "modelProvider.auth.providerManaged": "Provedor gerenciado",
   "modelProvider.auth.providerManagedTip": "A configuração atual é hospedada pelo provedor.",
   "modelProvider.auth.removeModel": "Remover modelo",
diff --git a/web/i18n/ro-RO/common.json b/web/i18n/ro-RO/common.json
index 70af079fa55..5c3b8cb74fb 100644
--- a/web/i18n/ro-RO/common.json
+++ b/web/i18n/ro-RO/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Gestionați acreditările",
   "modelProvider.auth.modelCredential": "Model de acreditare",
   "modelProvider.auth.modelCredentials": "Credențiale model",
+  "modelProvider.auth.openAIResponsesAPITip": "Pentru GPT-5.6 și modelele ulterioare, recomandăm utilizarea API-ului Responses.",
   "modelProvider.auth.providerManaged": "Gestionat de furnizor",
   "modelProvider.auth.providerManagedTip": "Configurarea curentă este găzduită de furnizor.",
   "modelProvider.auth.removeModel": "Eliminați modelul",
diff --git a/web/i18n/ru-RU/common.json b/web/i18n/ru-RU/common.json
index 085d4d4f6b4..1ec561a39a4 100644
--- a/web/i18n/ru-RU/common.json
+++ b/web/i18n/ru-RU/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Управление учетными данными",
   "modelProvider.auth.modelCredential": "Удостоверение модели",
   "modelProvider.auth.modelCredentials": "Учетные данные модели",
+  "modelProvider.auth.openAIResponsesAPITip": "Для GPT-5.6 и более новых моделей рекомендуется использовать Responses API.",
   "modelProvider.auth.providerManaged": "Управляемый провайдером",
   "modelProvider.auth.providerManagedTip": "Текущая конфигурация размещена у провайдера.",
   "modelProvider.auth.removeModel": "Удалить модель",
diff --git a/web/i18n/sl-SI/common.json b/web/i18n/sl-SI/common.json
index 175e45c9077..55562960c27 100644
--- a/web/i18n/sl-SI/common.json
+++ b/web/i18n/sl-SI/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Upravljanje poverilnic",
   "modelProvider.auth.modelCredential": "Poverilnice modela",
   "modelProvider.auth.modelCredentials": "Model akreditivi",
+  "modelProvider.auth.openAIResponsesAPITip": "Za GPT-5.6 in novejše modele priporočamo uporabo Responses API.",
   "modelProvider.auth.providerManaged": "Zagotavlja upravljano",
   "modelProvider.auth.providerManagedTip": "Trenutna konfiguracija je gostovana pri ponudniku.",
   "modelProvider.auth.removeModel": "Odstrani model",
diff --git a/web/i18n/th-TH/common.json b/web/i18n/th-TH/common.json
index 278c713cc39..b074a7b88ab 100644
--- a/web/i18n/th-TH/common.json
+++ b/web/i18n/th-TH/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "จัดการข้อมูลประจําตัว",
   "modelProvider.auth.modelCredential": "ข้อมูลประจําตัวของรุ่น",
   "modelProvider.auth.modelCredentials": "ข้อมูลรับรองโมเดล",
+  "modelProvider.auth.openAIResponsesAPITip": "สำหรับ GPT-5.6 และโมเดลที่ใหม่กว่า เราขอแนะนำให้ใช้ Responses API",
   "modelProvider.auth.providerManaged": "ผู้ให้บริการจัดการ",
   "modelProvider.auth.providerManagedTip": "การกำหนดค่าปัจจุบันถูกโฮสต์โดยผู้ให้บริการ.",
   "modelProvider.auth.removeModel": "ลบโมเดล",
diff --git a/web/i18n/tr-TR/common.json b/web/i18n/tr-TR/common.json
index 26e683afaa2..3d78cadbe9b 100644
--- a/web/i18n/tr-TR/common.json
+++ b/web/i18n/tr-TR/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Kimlik Bilgilerini Yönet",
   "modelProvider.auth.modelCredential": "Model kimlik bilgileri",
   "modelProvider.auth.modelCredentials": "Model kimlik bilgileri",
+  "modelProvider.auth.openAIResponsesAPITip": "GPT-5.6 ve sonraki modeller için Responses API'yi kullanmanızı öneririz.",
   "modelProvider.auth.providerManaged": "Sağlayıcı yönetimi",
   "modelProvider.auth.providerManagedTip": "Mevcut yapılandırma sağlayıcı tarafından barındırılmaktadır.",
   "modelProvider.auth.removeModel": "Modeli Kaldır",
diff --git a/web/i18n/uk-UA/common.json b/web/i18n/uk-UA/common.json
index 3e880810475..8884e81e403 100644
--- a/web/i18n/uk-UA/common.json
+++ b/web/i18n/uk-UA/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Керування обліковими даними",
   "modelProvider.auth.modelCredential": "Облікові дані моделі",
   "modelProvider.auth.modelCredentials": "Модельні облікові дані",
+  "modelProvider.auth.openAIResponsesAPITip": "Для GPT-5.6 і новіших моделей рекомендуємо використовувати Responses API.",
   "modelProvider.auth.providerManaged": "Постачальник управляє",
   "modelProvider.auth.providerManagedTip": "Поточна конфігурація розміщується провайдером.",
   "modelProvider.auth.removeModel": "Видалити модель",
diff --git a/web/i18n/vi-VN/common.json b/web/i18n/vi-VN/common.json
index 5b694eb8236..4437103fa52 100644
--- a/web/i18n/vi-VN/common.json
+++ b/web/i18n/vi-VN/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "Quản lý thông tin đăng nhập",
   "modelProvider.auth.modelCredential": "Thông tin đăng nhập mô hình",
   "modelProvider.auth.modelCredentials": "Chứng chỉ của mô hình",
+  "modelProvider.auth.openAIResponsesAPITip": "Đối với GPT-5.6 và các mô hình mới hơn, chúng tôi khuyên dùng Responses API.",
   "modelProvider.auth.providerManaged": "Nhà cung cấp đã được quản lý",
   "modelProvider.auth.providerManagedTip": "Cấu hình hiện tại được lưu trữ bởi nhà cung cấp.",
   "modelProvider.auth.removeModel": "Loại bỏ mô hình",
diff --git a/web/i18n/zh-Hans/common.json b/web/i18n/zh-Hans/common.json
index 51457bcd447..fe00eec2370 100644
--- a/web/i18n/zh-Hans/common.json
+++ b/web/i18n/zh-Hans/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "管理凭据",
   "modelProvider.auth.modelCredential": "模型凭据",
   "modelProvider.auth.modelCredentials": "模型凭据",
+  "modelProvider.auth.openAIResponsesAPITip": "使用 GPT-5.6 及以上模型时，建议使用 Responses API。",
   "modelProvider.auth.providerManaged": "由模型供应商管理",
   "modelProvider.auth.providerManagedTip": "使用模型供应商提供的单组凭据。",
   "modelProvider.auth.removeModel": "移除模型",
diff --git a/web/i18n/zh-Hant/common.json b/web/i18n/zh-Hant/common.json
index b4725c627c5..fc16d91673b 100644
--- a/web/i18n/zh-Hant/common.json
+++ b/web/i18n/zh-Hant/common.json
@@ -332,6 +332,7 @@
   "modelProvider.auth.manageCredentials": "管理憑證",
   "modelProvider.auth.modelCredential": "模型認證",
   "modelProvider.auth.modelCredentials": "模型憑證",
+  "modelProvider.auth.openAIResponsesAPITip": "使用 GPT-5.6 及以上模型時，建議使用 Responses API。",
   "modelProvider.auth.providerManaged": "供應商管理",
   "modelProvider.auth.providerManagedTip": "當前的配置由提供者主辦。",
   "modelProvider.auth.removeModel": "移除模型",