bug fix de depluciate model list (#9775)

litellm/proxy/management_endpoints/model_management_endpoints.py

@@ -13,7 +13,7 @@ model/{model_id}/update - PATCH endpoint for model update.
 import asyncio
 import json
 import uuid
-from typing import Literal, Optional, Union, cast
+from typing import Dict, List, Literal, Optional, Union, cast
 
 from fastapi import APIRouter, Depends, HTTPException, Request, status
 from pydantic import BaseModel
@@ -846,3 +846,24 @@ async def update_model(
             param=getattr(e, "param", "None"),
             code=status.HTTP_400_BAD_REQUEST,
         )
+
+
+def _deduplicate_litellm_router_models(models: List[Dict]) -> List[Dict]:
+    """
+    Deduplicate models based on their model_info.id field.
+    Returns a list of unique models keeping only the first occurrence of each model ID.
+
+    Args:
+        models: List of model dictionaries containing model_info
+
+    Returns:
+        List of deduplicated model dictionaries
+    """
+    seen_ids = set()
+    unique_models = []
+    for model in models:
+        model_id = model.get("model_info", {}).get("id", None)
+        if model_id is not None and model_id not in seen_ids:
+            unique_models.append(model)
+            seen_ids.add(model_id)
+    return unique_models