diff --git a/frontend/src/components/account/BulkEditAccountModal.vue b/frontend/src/components/account/BulkEditAccountModal.vue
index 6e751df816..f66fb85fda 100644
--- a/frontend/src/components/account/BulkEditAccountModal.vue
+++ b/frontend/src/components/account/BulkEditAccountModal.vue
@@ -873,8 +873,8 @@
           <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
             {{ t('admin.accounts.openai.wsModeDesc') }}
           </p>
-          <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
-            {{ t(openAIWSModeConcurrencyHintKey) }}
+          <p v-if="openAIWSModeHintKey" class="mb-3 text-xs text-gray-500 dark:text-gray-400">
+            {{ t(openAIWSModeHintKey) }}
           </p>
           <Select
             v-model="openaiOAuthResponsesWebSocketV2Mode"
@@ -1151,8 +1151,8 @@
           <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
             {{ t('admin.accounts.openai.wsModeDesc') }}
           </p>
-          <p class="mb-3 text-xs text-gray-500 dark:text-gray-400">
-            {{ t(openAIAPIKeyWSModeConcurrencyHintKey) }}
+          <p v-if="openAIAPIKeyWSModeHintKey" class="mb-3 text-xs text-gray-500 dark:text-gray-400">
+            {{ t(openAIAPIKeyWSModeHintKey) }}
           </p>
           <Select
             v-model="openaiAPIKeyResponsesWebSocketV2Mode"
@@ -1513,7 +1513,7 @@ import {
   OPENAI_WS_MODE_PASSTHROUGH,
   OPENAI_WS_MODE_HTTP_BRIDGE,
   isOpenAIWSModeEnabled,
-  resolveOpenAIWSModeConcurrencyHintKey
+  resolveOpenAIWSModeHintKey
 } from '@/utils/openaiWsMode'
 import type { OpenAIWSMode } from '@/utils/openaiWsMode'
 interface Props {
@@ -1824,11 +1824,11 @@ const toggleOpenAIEndpointCapability = (
     capability
   ])
 }
-const openAIWSModeConcurrencyHintKey = computed(() =>
-  resolveOpenAIWSModeConcurrencyHintKey(openaiOAuthResponsesWebSocketV2Mode.value)
+const openAIWSModeHintKey = computed(() =>
+  resolveOpenAIWSModeHintKey(openaiOAuthResponsesWebSocketV2Mode.value)
 )
-const openAIAPIKeyWSModeConcurrencyHintKey = computed(() =>
-  resolveOpenAIWSModeConcurrencyHintKey(openaiAPIKeyResponsesWebSocketV2Mode.value)
+const openAIAPIKeyWSModeHintKey = computed(() =>
+  resolveOpenAIWSModeHintKey(openaiAPIKeyResponsesWebSocketV2Mode.value)
 )
 
 // Model mapping helpers
diff --git a/frontend/src/components/account/CreateAccountModal.vue b/frontend/src/components/account/CreateAccountModal.vue
index 8e2ca7dcb7..54a6b2331f 100644
--- a/frontend/src/components/account/CreateAccountModal.vue
+++ b/frontend/src/components/account/CreateAccountModal.vue
@@ -3132,8 +3132,8 @@
             <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
               {{ t('admin.accounts.openai.wsModeDesc') }}
             </p>
-            <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
-              {{ t(openAIWSModeConcurrencyHintKey) }}
+            <p v-if="openAIWSModeHintKey" class="mt-1 text-xs text-gray-500 dark:text-gray-400">
+              {{ t(openAIWSModeHintKey) }}
             </p>
           </div>
           <div class="w-52">
@@ -3975,7 +3975,7 @@ import {
   OPENAI_WS_MODE_PASSTHROUGH,
   OPENAI_WS_MODE_HTTP_BRIDGE,
   isOpenAIWSModeEnabled,
-  resolveOpenAIWSModeConcurrencyHintKey,
+  resolveOpenAIWSModeHintKey,
   type OpenAIWSMode
 } from '@/utils/openaiWsMode'
 import OAuthAuthorizationFlow from './OAuthAuthorizationFlow.vue'
@@ -4653,8 +4653,8 @@ const openaiResponsesWebSocketV2Mode = computed({
   }
 })
 
-const openAIWSModeConcurrencyHintKey = computed(() =>
-  resolveOpenAIWSModeConcurrencyHintKey(openaiResponsesWebSocketV2Mode.value)
+const openAIWSModeHintKey = computed(() =>
+  resolveOpenAIWSModeHintKey(openaiResponsesWebSocketV2Mode.value)
 )
 
 const isOpenAIModelRestrictionDisabled = computed(() =>
diff --git a/frontend/src/components/account/EditAccountModal.vue b/frontend/src/components/account/EditAccountModal.vue
index dad0bfc9f4..0d3c235bea 100644
--- a/frontend/src/components/account/EditAccountModal.vue
+++ b/frontend/src/components/account/EditAccountModal.vue
@@ -1871,8 +1871,8 @@
             <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
               {{ t('admin.accounts.openai.wsModeDesc') }}
             </p>
-            <p class="mt-1 text-xs text-gray-500 dark:text-gray-400">
-              {{ t(openAIWSModeConcurrencyHintKey) }}
+            <p v-if="openAIWSModeHintKey" class="mt-1 text-xs text-gray-500 dark:text-gray-400">
+              {{ t(openAIWSModeHintKey) }}
             </p>
           </div>
           <div class="w-52">
@@ -3101,7 +3101,7 @@ import {
   OPENAI_WS_MODE_PASSTHROUGH,
   OPENAI_WS_MODE_HTTP_BRIDGE,
   isOpenAIWSModeEnabled,
-  resolveOpenAIWSModeConcurrencyHintKey,
+  resolveOpenAIWSModeHintKey,
   type OpenAIWSMode,
   resolveOpenAIWSModeFromExtra
 } from '@/utils/openaiWsMode'
@@ -3588,8 +3588,8 @@ const openaiResponsesWebSocketV2Mode = computed({
     openaiOAuthResponsesWebSocketV2Mode.value = mode
   }
 })
-const openAIWSModeConcurrencyHintKey = computed(() =>
-  resolveOpenAIWSModeConcurrencyHintKey(openaiResponsesWebSocketV2Mode.value)
+const openAIWSModeHintKey = computed(() =>
+  resolveOpenAIWSModeHintKey(openaiResponsesWebSocketV2Mode.value)
 )
 const codexImageToolOptions = computed<Array<{
   value: CodexImageToolMode
diff --git a/frontend/src/i18n/locales/en/admin/accounts.ts b/frontend/src/i18n/locales/en/admin/accounts.ts
index c614caa0cc..35768e544c 100644
--- a/frontend/src/i18n/locales/en/admin/accounts.ts
+++ b/frontend/src/i18n/locales/en/admin/accounts.ts
@@ -612,9 +612,10 @@ export default {
         wsModeHttpBridge: 'HTTP Bridge (http_bridge)',
         wsModeShared: 'Shared (shared)',
         wsModeDedicated: 'Dedicated (dedicated)',
-        wsModeConcurrencyHint:
-          'Account concurrency limits requests in flight; the context pool connection limit is controlled by the gateway connection pool settings.',
-        wsModePassthroughHint: 'Passthrough mode does not use the WS connection pool.',
+        wsModeCtxPoolHint:
+          'Gateway → acquire upstream WS connections from the pool; capacity is determined by configuration.',
+        wsModePassthroughHint: 'Gateway → upstream WS, without a connection pool.',
+        wsModeHttpBridgeHint: 'Gateway conversion → upstream HTTP/SSE.',
         oauthResponsesWebsocketsV2: 'OAuth WebSocket Mode',
         oauthResponsesWebsocketsV2Desc:
           'Only applies to OpenAI OAuth. This account can use OpenAI WebSocket Mode only when enabled.',
diff --git a/frontend/src/i18n/locales/zh/admin/accounts.ts b/frontend/src/i18n/locales/zh/admin/accounts.ts
index 0cbb56341b..88bb232b45 100644
--- a/frontend/src/i18n/locales/zh/admin/accounts.ts
+++ b/frontend/src/i18n/locales/zh/admin/accounts.ts
@@ -698,8 +698,9 @@ export default {
         wsModeHttpBridge: 'HTTP 桥接（http_bridge）',
         wsModeShared: '共享（shared）',
         wsModeDedicated: '独享（dedicated）',
-        wsModeConcurrencyHint: '账号并发数限制同时执行的请求数；上下文池的连接上限由网关连接池配置决定。',
-        wsModePassthroughHint: 'passthrough 模式不使用 WS 连接池。',
+        wsModeCtxPoolHint: '网关 → 从连接池获取上游 WS 连接，数量由配置决定。',
+        wsModePassthroughHint: '网关 → 上游 WS，不使用连接池。',
+        wsModeHttpBridgeHint: '网关转换 → 上游 HTTP/SSE。',
         oauthResponsesWebsocketsV2: 'OAuth WebSocket Mode',
         oauthResponsesWebsocketsV2Desc:
           '仅对 OpenAI OAuth 生效。开启后该账号才允许使用 OpenAI WebSocket Mode 协议。',
diff --git a/frontend/src/utils/__tests__/openaiWsMode.spec.ts b/frontend/src/utils/__tests__/openaiWsMode.spec.ts
index 5555224b27..8689b3179a 100644
--- a/frontend/src/utils/__tests__/openaiWsMode.spec.ts
+++ b/frontend/src/utils/__tests__/openaiWsMode.spec.ts
@@ -7,7 +7,7 @@ import {
   isOpenAIWSModeEnabled,
   normalizeOpenAIWSMode,
   openAIWSModeFromEnabled,
-  resolveOpenAIWSModeConcurrencyHintKey,
+  resolveOpenAIWSModeHintKey,
   resolveOpenAIWSModeFromExtra
 } from '@/utils/openaiWsMode'
 
@@ -59,18 +59,16 @@ describe('openaiWsMode utils', () => {
     expect(isOpenAIWSModeEnabled(OPENAI_WS_MODE_HTTP_BRIDGE)).toBe(true)
   })
 
-  it('resolves concurrency hint key by mode', () => {
-    expect(resolveOpenAIWSModeConcurrencyHintKey(OPENAI_WS_MODE_OFF)).toBe(
-      'admin.accounts.openai.wsModeConcurrencyHint'
+  it('hides the off hint and resolves each active mode separately', () => {
+    expect(resolveOpenAIWSModeHintKey(OPENAI_WS_MODE_OFF)).toBeNull()
+    expect(resolveOpenAIWSModeHintKey(OPENAI_WS_MODE_CTX_POOL)).toBe(
+      'admin.accounts.openai.wsModeCtxPoolHint'
     )
-    expect(resolveOpenAIWSModeConcurrencyHintKey(OPENAI_WS_MODE_CTX_POOL)).toBe(
-      'admin.accounts.openai.wsModeConcurrencyHint'
-    )
-    expect(resolveOpenAIWSModeConcurrencyHintKey(OPENAI_WS_MODE_PASSTHROUGH)).toBe(
+    expect(resolveOpenAIWSModeHintKey(OPENAI_WS_MODE_PASSTHROUGH)).toBe(
       'admin.accounts.openai.wsModePassthroughHint'
     )
-    expect(resolveOpenAIWSModeConcurrencyHintKey(OPENAI_WS_MODE_HTTP_BRIDGE)).toBe(
-      'admin.accounts.openai.wsModePassthroughHint'
+    expect(resolveOpenAIWSModeHintKey(OPENAI_WS_MODE_HTTP_BRIDGE)).toBe(
+      'admin.accounts.openai.wsModeHttpBridgeHint'
     )
   })
 })
diff --git a/frontend/src/utils/openaiWsMode.ts b/frontend/src/utils/openaiWsMode.ts
index 77872bc656..b806746731 100644
--- a/frontend/src/utils/openaiWsMode.ts
+++ b/frontend/src/utils/openaiWsMode.ts
@@ -44,13 +44,23 @@ export const isOpenAIWSModeEnabled = (mode: OpenAIWSMode): boolean => {
   return mode !== OPENAI_WS_MODE_OFF
 }
 
-export const resolveOpenAIWSModeConcurrencyHintKey = (
+export const resolveOpenAIWSModeHintKey = (
   mode: OpenAIWSMode
-): 'admin.accounts.openai.wsModeConcurrencyHint' | 'admin.accounts.openai.wsModePassthroughHint' => {
-  if (mode === OPENAI_WS_MODE_PASSTHROUGH || mode === OPENAI_WS_MODE_HTTP_BRIDGE) {
-    return 'admin.accounts.openai.wsModePassthroughHint'
+):
+  | 'admin.accounts.openai.wsModeCtxPoolHint'
+  | 'admin.accounts.openai.wsModePassthroughHint'
+  | 'admin.accounts.openai.wsModeHttpBridgeHint'
+  | null => {
+  switch (mode) {
+    case OPENAI_WS_MODE_CTX_POOL:
+      return 'admin.accounts.openai.wsModeCtxPoolHint'
+    case OPENAI_WS_MODE_PASSTHROUGH:
+      return 'admin.accounts.openai.wsModePassthroughHint'
+    case OPENAI_WS_MODE_HTTP_BRIDGE:
+      return 'admin.accounts.openai.wsModeHttpBridgeHint'
+    default:
+      return null
   }
-  return 'admin.accounts.openai.wsModeConcurrencyHint'
 }
 
 export const resolveOpenAIWSModeFromExtra = (