diff --git a/backend/open_webui/routers/openai.py b/backend/open_webui/routers/openai.py
index 8c8f96183e..0fb097a39f 100644
--- a/backend/open_webui/routers/openai.py
+++ b/backend/open_webui/routers/openai.py
@@ -78,6 +78,7 @@ log = logging.getLogger(__name__)
 _STRIP_PROXY_HEADERS = frozenset({'content-encoding', 'content-length', 'transfer-encoding', 'server', 'date'})
 _MODEL_LIST_TIMEOUT = aiohttp.ClientTimeout(total=AIOHTTP_CLIENT_TIMEOUT_MODEL_LIST)
 _UNSUPPORTED_OPENAI_MODEL_KEYWORDS = ('babbage', 'dall-e', 'davinci', 'embedding', 'tts', 'whisper')
+_STRIP_MODEL_KEYS = frozenset({'action_ids', 'arena', 'filter_ids', 'info', 'pipe', 'preset'})
 BASE_MODELS_CACHE_KEY = f'{REDIS_KEY_PREFIX}:models:base'
 
 
@@ -86,6 +87,11 @@ def _clean_proxy_headers(raw_headers) -> dict:
     return {k: v for k, v in raw_headers.items() if k.lower() not in _STRIP_PROXY_HEADERS}
 
 
+def _clean_model_keys(model: dict) -> dict:
+    """Return a copy of *model* without the keys Open WebUI assigns itself."""
+    return {k: v for k, v in model.items() if k not in _STRIP_MODEL_KEYS}
+
+
 async def send_get_request(
     request: Request = None,
     url=None,
@@ -833,7 +839,7 @@ async def get_all_models(request: Request, user: UserModel) -> dict[str, list]:
                     if model_id and model_id not in models:
                         provider = model.get('provider', '')
                         merged = {
-                            **model,
+                            **_clean_model_keys(model),
                             'name': model.get('name', model_id),
                             'owned_by': 'openai',
                             'openai': model,