diff --git a/backend/app/db/builtin_providers.json b/backend/app/db/builtin_providers.json
index c111d2ef3..0941360fd 100644
--- a/backend/app/db/builtin_providers.json
+++ b/backend/app/db/builtin_providers.json
@@ -40,6 +40,15 @@
     "logo": "Gemini",
     "api_key": "",
     "base_url": "https://generativelanguage.googleapis.com/v1beta/openai/"
+  },
+  {
+    "id": "atlascloud",
+    "name": "Atlas Cloud",
+    "type": "built-in",
+    "logo": "custom",
+    "api_key": "",
+    "base_url": "https://api.atlascloud.ai/v1",
+    "models": ["deepseek-ai/deepseek-v4-pro", "deepseek-ai/DeepSeek-V3.1", "zai-org/glm-5", "moonshotai/kimi-k2.6", "qwen/qwen3.5-397b-a17b"]
   },
     {
     "id": "groq",