diff --git a/src/langbot/pkg/persistence/mgr.py b/src/langbot/pkg/persistence/mgr.py
index 53b20011..92be6a77 100644
--- a/src/langbot/pkg/persistence/mgr.py
+++ b/src/langbot/pkg/persistence/mgr.py
@@ -9,7 +9,7 @@ import sqlalchemy.ext.asyncio as sqlalchemy_asyncio
 import sqlalchemy
 
 from . import database, migration
-from ..entity.persistence import base, pipeline, metadata
+from ..entity.persistence import base, pipeline, metadata, model as persistence_model
 from ..entity import persistence
 from ..core import app
 from ..utils import constants, importutil
@@ -79,6 +79,7 @@ class PersistenceManager:
             self.ap.logger.info(f'Successfully upgraded database to version {last_migration_number}.')
 
         await self.write_default_pipeline()
+        await self.write_space_model_providers()
 
     async def create_tables(self):
         # create tables
@@ -123,7 +124,28 @@ class PersistenceManager:
 
             await self.execute_async(sqlalchemy.insert(pipeline.LegacyPipeline).values(pipeline_data))
 
-        # =================================
+    async def write_space_model_providers(self):
+        # write space model providers
+        result = await self.execute_async(
+            sqlalchemy.select(persistence_model.ModelProvider).where(
+                persistence_model.ModelProvider.requester == 'space-chat-completions'
+            )
+        )
+        if result.first() is None:
+            self.ap.logger.info('Creating space model providers...')
+            space_chat_completions_model_provider = {
+                'uuid': str(uuid.uuid4()),
+                'name': 'LangBot Models',
+                'requester': 'space-chat-completions',
+                'base_url': 'https://api.langbot.cloud/v1',
+                'api_keys': [],
+            }
+
+            await self.execute_async(
+                sqlalchemy.insert(persistence_model.ModelProvider).values(space_chat_completions_model_provider)
+            )
+
+    # =================================
 
     async def execute_async(self, *args, **kwargs) -> sqlalchemy.engine.cursor.CursorResult:
         async with self.get_db_engine().connect() as conn:
diff --git a/src/langbot/pkg/provider/modelmgr/requesters/space.webp b/src/langbot/pkg/provider/modelmgr/requesters/space.webp
new file mode 100644
index 00000000..09226adc
Binary files /dev/null and b/src/langbot/pkg/provider/modelmgr/requesters/space.webp differ
diff --git a/src/langbot/pkg/provider/modelmgr/requesters/spacechatcmpl.py b/src/langbot/pkg/provider/modelmgr/requesters/spacechatcmpl.py
new file mode 100644
index 00000000..91740a1f
--- /dev/null
+++ b/src/langbot/pkg/provider/modelmgr/requesters/spacechatcmpl.py
@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+import typing
+import openai
+
+from . import chatcmpl
+
+
+class LangBotSpaceChatCompletions(chatcmpl.OpenAIChatCompletions):
+    """LangBot Space ChatCompletion API 请求器"""
+
+    client: openai.AsyncClient
+
+    default_config: dict[str, typing.Any] = {
+        'base_url': 'https://api.langbot.cloud/v1',
+        'timeout': 120,
+    }
diff --git a/src/langbot/pkg/provider/modelmgr/requesters/spacechatcmpl.yaml b/src/langbot/pkg/provider/modelmgr/requesters/spacechatcmpl.yaml
new file mode 100644
index 00000000..29c23a83
--- /dev/null
+++ b/src/langbot/pkg/provider/modelmgr/requesters/spacechatcmpl.yaml
@@ -0,0 +1,32 @@
+apiVersion: v1
+kind: LLMAPIRequester
+metadata:
+  name: space-chat-completions
+  label:
+    en_US: Space
+    zh_Hans: Space
+  icon: space.webp
+spec:
+  config:
+  - name: base_url
+    label:
+      en_US: Base URL
+      zh_Hans: 基础 URL
+    type: string
+    required: true
+    default: https://api.langbot.cloud/v1
+  - name: timeout
+    label:
+      en_US: Timeout
+      zh_Hans: 超时时间
+    type: integer
+    required: true
+    default: 120
+  support_type:
+  - llm
+  - text-embedding
+  provider_category: maas
+execution:
+  python:
+    path: ./spacechatcmpl.py
+    attr: LangBotSpaceChatCompletions
diff --git a/web/src/app/home/components/models-dialog/ModelsDialog.tsx b/web/src/app/home/components/models-dialog/ModelsDialog.tsx
index 6579ca9c..4a9404b3 100644
--- a/web/src/app/home/components/models-dialog/ModelsDialog.tsx
+++ b/web/src/app/home/components/models-dialog/ModelsDialog.tsx
@@ -53,6 +53,7 @@ interface ModelsDialogProps {
 }
 
 const LANGBOT_MODELS_PROVIDER_NAME = 'LangBot Models';
+const LANGBOT_MODELS_PROVIDER_REQUESTER = 'space-chat-completions';
 
 export default function ModelsDialog({
   open,
@@ -253,10 +254,10 @@ export default function ModelsDialog({
 
   // Separate LangBot Models provider
   const langbotProvider = providers.find(
-    (p) => p.name === LANGBOT_MODELS_PROVIDER_NAME,
+    (p) => p.requester === LANGBOT_MODELS_PROVIDER_REQUESTER,
   );
   const otherProviders = providers.filter(
-    (p) => p.name !== LANGBOT_MODELS_PROVIDER_NAME,
+    (p) => p.requester !== LANGBOT_MODELS_PROVIDER_REQUESTER,
   );
 
   function renderProviderCard(
@@ -501,58 +502,6 @@ export default function ModelsDialog({
     if (langbotProvider) {
       return renderProviderCard(langbotProvider, true);
     }
-    return (
-      <Card className="mb-2">
-        <CardHeader className="p-3">
-          <div className="flex items-center justify-between">
-            <div className="flex items-center gap-2">
-              <div className="w-9 h-9 rounded-lg overflow-hidden flex-shrink-0">
-                <img
-                  src={langbotIcon.src}
-                  alt="LangBot"
-                  className="w-full h-full object-cover"
-                />
-              </div>
-              <div>
-                <CardTitle className="text-base">
-                  {LANGBOT_MODELS_PROVIDER_NAME}
-                </CardTitle>
-                <p className="text-xs text-muted-foreground">
-                  {t('models.langbotModelsDescription')}
-                </p>
-              </div>
-            </div>
-            {accountType !== 'space' ? (
-              <Button variant="outline" size="sm" onClick={handleSpaceLogin}>
-                <LogIn className="h-4 w-4 mr-1" />
-                {t('models.loginWithSpace')}
-              </Button>
-            ) : (
-              spaceCredits !== null && (
-                <div className="flex items-center gap-1 border rounded-md px-2 h-8 text-sm">
-                  <span>
-                    {(spaceCredits / 5000).toFixed(2)} {t('models.credits')}
-                  </span>
-                  <Button
-                    variant="ghost"
-                    size="icon"
-                    className="h-5 w-5"
-                    onClick={() =>
-                      window.open(
-                        `${systemInfo.cloud_service_url}/billing`,
-                        '_blank',
-                      )
-                    }
-                  >
-                    <Plus className="h-3 w-3" />
-                  </Button>
-                </div>
-              )
-            )}
-          </div>
-        </CardHeader>
-      </Card>
-    );
   }
 
   function handleFormClose() {
diff --git a/web/src/app/home/components/models-dialog/component/embedding-form/EmbeddingForm.tsx b/web/src/app/home/components/models-dialog/component/embedding-form/EmbeddingForm.tsx
index 5bd3b66a..3e7d942e 100644
--- a/web/src/app/home/components/models-dialog/component/embedding-form/EmbeddingForm.tsx
+++ b/web/src/app/home/components/models-dialog/component/embedding-form/EmbeddingForm.tsx
@@ -373,11 +373,15 @@ export default function EmbeddingForm({
                           />
                         </SelectTrigger>
                         <SelectContent>
-                          {providers.map((p) => (
-                            <SelectItem key={p.uuid} value={p.uuid}>
-                              {p.name} ({p.base_url || 'default'})
-                            </SelectItem>
-                          ))}
+                          {providers
+                            .filter(
+                              (p) => p.requester !== 'space-chat-completions',
+                            )
+                            .map((p) => (
+                              <SelectItem key={p.uuid} value={p.uuid}>
+                                {p.name} ({p.base_url || 'default'})
+                              </SelectItem>
+                            ))}
                         </SelectContent>
                       </Select>
                       <FormMessage />
@@ -413,7 +417,11 @@ export default function EmbeddingForm({
                               {t('models.modelManufacturer')}
                             </SelectLabel>
                             {requesterList
-                              .filter((r) => r.category === 'manufacturer')
+                              .filter(
+                                (r) =>
+                                  r.category === 'manufacturer' &&
+                                  r.value !== 'space-chat-completions',
+                              )
                               .map((r) => (
                                 <SelectItem key={r.value} value={r.value}>
                                   {r.label}
@@ -425,7 +433,11 @@ export default function EmbeddingForm({
                               {t('models.aggregationPlatform')}
                             </SelectLabel>
                             {requesterList
-                              .filter((r) => r.category === 'maas')
+                              .filter(
+                                (r) =>
+                                  r.category === 'maas' &&
+                                  r.value !== 'space-chat-completions',
+                              )
                               .map((r) => (
                                 <SelectItem key={r.value} value={r.value}>
                                   {r.label}
@@ -437,7 +449,11 @@ export default function EmbeddingForm({
                               {t('models.selfDeployed')}
                             </SelectLabel>
                             {requesterList
-                              .filter((r) => r.category === 'self-hosted')
+                              .filter(
+                                (r) =>
+                                  r.category === 'self-hosted' &&
+                                  r.value !== 'space-chat-completions',
+                              )
                               .map((r) => (
                                 <SelectItem key={r.value} value={r.value}>
                                   {r.label}
diff --git a/web/src/app/home/components/models-dialog/component/llm-form/LLMForm.tsx b/web/src/app/home/components/models-dialog/component/llm-form/LLMForm.tsx
index fb8a79ae..7d816d3a 100644
--- a/web/src/app/home/components/models-dialog/component/llm-form/LLMForm.tsx
+++ b/web/src/app/home/components/models-dialog/component/llm-form/LLMForm.tsx
@@ -385,11 +385,15 @@ export default function LLMForm({
                           />
                         </SelectTrigger>
                         <SelectContent>
-                          {providers.map((p) => (
-                            <SelectItem key={p.uuid} value={p.uuid}>
-                              {p.name} ({p.base_url || 'default'})
-                            </SelectItem>
-                          ))}
+                          {providers
+                            .filter(
+                              (p) => p.requester !== 'space-chat-completions',
+                            )
+                            .map((p) => (
+                              <SelectItem key={p.uuid} value={p.uuid}>
+                                {p.name} ({p.base_url || 'default'})
+                              </SelectItem>
+                            ))}
                         </SelectContent>
                       </Select>
                       <FormMessage />
@@ -425,7 +429,11 @@ export default function LLMForm({
                               {t('models.modelManufacturer')}
                             </SelectLabel>
                             {requesterList
-                              .filter((r) => r.category === 'manufacturer')
+                              .filter(
+                                (r) =>
+                                  r.category === 'manufacturer' &&
+                                  r.value !== 'space-chat-completions',
+                              )
                               .map((r) => (
                                 <SelectItem key={r.value} value={r.value}>
                                   {r.label}
@@ -437,7 +445,11 @@ export default function LLMForm({
                               {t('models.aggregationPlatform')}
                             </SelectLabel>
                             {requesterList
-                              .filter((r) => r.category === 'maas')
+                              .filter(
+                                (r) =>
+                                  r.category === 'maas' &&
+                                  r.value !== 'space-chat-completions',
+                              )
                               .map((r) => (
                                 <SelectItem key={r.value} value={r.value}>
                                   {r.label}
@@ -449,7 +461,11 @@ export default function LLMForm({
                               {t('models.selfDeployed')}
                             </SelectLabel>
                             {requesterList
-                              .filter((r) => r.category === 'self-hosted')
+                              .filter(
+                                (r) =>
+                                  r.category === 'self-hosted' &&
+                                  r.value !== 'space-chat-completions',
+                              )
                               .map((r) => (
                                 <SelectItem key={r.value} value={r.value}>
                                   {r.label}