diff --git a/litellm/llms/xai/realtime/handler.py b/litellm/llms/xai/realtime/handler.py
new file mode 100644
index 00000000000..c79477ba1df
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+++ b/litellm/llms/xai/realtime/handler.py
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+"""
+This file contains the handler for xAI's Grok Voice Agent API `/v1/realtime` endpoint.
+
+xAI's Realtime API is fully OpenAI-compatible, so we inherit from OpenAIRealtime
+and only override the configuration differences.
+
+This requires websockets, and is currently only supported on LiteLLM Proxy.
+"""
+
+from litellm.constants import XAI_API_BASE
+
+from ...openai.realtime.handler import OpenAIRealtime
+
+
+class XAIRealtime(OpenAIRealtime):
+    """
+    Handler for xAI Grok Voice Agent API.
+    
+    xAI's Realtime API uses the same WebSocket protocol as OpenAI but with:
+    - Different endpoint: wss://api.x.ai/v1/realtime (via _get_default_api_base)
+    - No OpenAI-Beta header required (via _get_additional_headers)
+    - Model: grok-4-1-fast-non-reasoning
+    
+    All WebSocket logic is inherited from OpenAIRealtime.
+    """
+    
+    def _get_default_api_base(self) -> str:
+        """xAI uses a different API base URL."""
+        return XAI_API_BASE
+    
+    def _get_additional_headers(self, api_key: str) -> dict:
+        """
+        xAI does NOT require the OpenAI-Beta header.
+        Only send Authorization header.
+        """
+        return {
+            "Authorization": f"Bearer {api_key}",
+        }