diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index 184795c0..912b2cf8 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -78,11 +78,16 @@ class Settings(BaseSettings):
     AI_CONVERSATION_TTL_HOURS: int = 24
     AI_MAX_CALLS_PER_FLOW: int = 10
     AI_REQUEST_TIMEOUT_SECONDS: int = 45
+    # AI Provider selection
+    AI_PROVIDER: str = "gemini"  # "gemini" or "anthropic"
+    GOOGLE_AI_API_KEY: Optional[str] = None
+    AI_MODEL_GEMINI: str = "gemini-2.5-flash"
+    AI_MODEL_ANTHROPIC: str = "claude-haiku-4-5-20251001"
 
     @property
     def ai_enabled(self) -> bool:
-        """Check if AI Flow Builder is configured."""
-        return self.ANTHROPIC_API_KEY is not None
+        """Check if any AI provider is configured."""
+        return self.ANTHROPIC_API_KEY is not None or self.GOOGLE_AI_API_KEY is not None
 
     # Deployment – auto-seed test data on PR environments
     SEED_ON_DEPLOY: bool = False