diff --git a/apps/desktop/src/renderer/settings/provider-display-copy.ts b/apps/desktop/src/renderer/settings/provider-display-copy.ts
index 1deb0a6ec2..63b8e9300b 100644
--- a/apps/desktop/src/renderer/settings/provider-display-copy.ts
+++ b/apps/desktop/src/renderer/settings/provider-display-copy.ts
@@ -184,6 +184,10 @@ export const PROVIDER_DISPLAY_COPY = {
     zh: { name: 'DeepInfra', description: '开源模型托管推理 · OpenAI 兼容', badge: 'API' },
     en: { name: 'DeepInfra', description: 'Hosted open-model inference · OpenAI-compatible', badge: 'API' },
   },
+  atlascloud: {
+    zh: { name: 'Atlas Cloud', description: '开源模型托管推理 · OpenAI 兼容', badge: 'API' },
+    en: { name: 'Atlas Cloud', description: 'Hosted open-model inference · OpenAI-compatible', badge: 'API' },
+  },
   cohere: {
     zh: { name: 'Cohere', description: 'Cohere 官方接入', badge: 'API' },
     en: { name: 'Cohere', description: 'Official Cohere Chat API access.', badge: 'API' },
diff --git a/packages/core/src/__tests__/llm-connections.test.ts b/packages/core/src/__tests__/llm-connections.test.ts
index da43178bb7..57ae4130d8 100644
--- a/packages/core/src/__tests__/llm-connections.test.ts
+++ b/packages/core/src/__tests__/llm-connections.test.ts
@@ -58,6 +58,28 @@ test('provider registry satisfies shared structural invariants', () => {
   }
 });
 
+test('Atlas Cloud is wired as a ready OpenAI-compatible provider', () => {
+  assert.deepEqual(PROVIDER_REGISTRY.atlascloud, {
+    label: 'Atlas Cloud',
+    description: 'Hosted open-model inference with OpenAI-compatible chat and tool use.',
+    baseUrl: 'https://api.atlascloud.ai/v1',
+    authKind: 'api_key',
+    backendKind: 'ai-sdk',
+    fallbackModels: ['qwen/qwen3.8-max'],
+    status: 'ready',
+    protocol: 'openai',
+    runtimeAdapter: { kind: 'openai-compatible', name: 'provider' },
+    modelDiscovery: { kind: 'protocol', filter: 'fallback-models' },
+    category: 'overseas',
+    catalogGroup: 'api',
+    catalogBadge: 'API',
+    readyOrder: 29.5,
+    catalogOrder: 29.5,
+  });
+  assert.equal(READY_PROVIDER_TYPES.includes('atlascloud'), true);
+  assert.equal(CATALOG_PROVIDER_TYPES.includes('atlascloud'), true);
+});
+
 test('connection base URLs allow HTTP(S) and reject unsafe or malformed inputs', () => {
   for (const value of [
     undefined,
diff --git a/packages/core/src/__tests__/models-dev-sync-contract.test.ts b/packages/core/src/__tests__/models-dev-sync-contract.test.ts
index 0f8a1da1de..24aeea97fb 100644
--- a/packages/core/src/__tests__/models-dev-sync-contract.test.ts
+++ b/packages/core/src/__tests__/models-dev-sync-contract.test.ts
@@ -55,6 +55,7 @@ const NOT_IN_MODELS_DEV: Readonly<Record<string, string>> = {
   'volcengine-ark': 'models.dev does not cover Volcengine Ark',
   'volcengine-coding-plan': 'models.dev does not cover Volcengine Ark',
   'volcengine-agent-plan': 'models.dev does not cover Volcengine Ark',
+  atlascloud: 'models.dev does not cover Atlas Cloud',
   ollama: 'local runtime, not an upstream service',
   'lm-studio': 'local runtime, not an upstream service',
   localai: 'local runtime, not an upstream service',
diff --git a/packages/core/src/model-metadata.ts b/packages/core/src/model-metadata.ts
index d57e78bbc6..fe9cec39fd 100644
--- a/packages/core/src/model-metadata.ts
+++ b/packages/core/src/model-metadata.ts
@@ -409,6 +409,13 @@ const STATIC_MODEL_METADATA: Partial<Record<ProviderType, Record<string, ModelMe
       thinkingOptions: { efforts: ['none', 'low', 'medium', 'high'], toggle: true },
     },
   },
+  atlascloud: {
+    'qwen/qwen3.8-max': {
+      displayName: 'Qwen3.8 Max',
+      lifecycle: 'active',
+      capabilities: { chat: true, reasoning: true, functionCalling: true },
+    },
+  },
   groq: {
     // Groq documents reasoning_effort only for the gpt-oss family
     // (low/medium/high) and qwen3.6-27b (none/default); see
diff --git a/packages/core/src/provider-registry.ts b/packages/core/src/provider-registry.ts
index ff295adb76..0f6ac8882d 100644
--- a/packages/core/src/provider-registry.ts
+++ b/packages/core/src/provider-registry.ts
@@ -1469,6 +1469,23 @@ const providerRegistry = {
     readyOrder: 29,
     catalogOrder: 29,
   },
+  atlascloud: {
+    label: 'Atlas Cloud',
+    description: 'Hosted open-model inference with OpenAI-compatible chat and tool use.',
+    baseUrl: 'https://api.atlascloud.ai/v1',
+    authKind: 'api_key',
+    backendKind: 'ai-sdk',
+    fallbackModels: ['qwen/qwen3.8-max'],
+    status: 'ready',
+    protocol: 'openai',
+    runtimeAdapter: { kind: 'openai-compatible', name: 'provider' },
+    modelDiscovery: { kind: 'protocol', filter: 'fallback-models' },
+    category: 'overseas',
+    catalogGroup: 'api',
+    catalogBadge: 'API',
+    readyOrder: 29.5,
+    catalogOrder: 29.5,
+  },
   groq: {
     label: groq.name,
     description: 'Ultra-fast LPU-hosted open models with reasoning and tool use.',