diff --git a/litellm/proxy/management_endpoints/common_utils.py b/litellm/proxy/management_endpoints/common_utils.py
index c16b4c4b93d..8f7dd4f8dfa 100644
--- a/litellm/proxy/management_endpoints/common_utils.py
+++ b/litellm/proxy/management_endpoints/common_utils.py
@@ -1,5 +1,7 @@
-from typing import Any, Dict, Optional, Union
+from typing import Any, Dict, Optional, Union, TYPE_CHECKING
 
+from litellm._logging import verbose_proxy_logger
+from litellm.caching import DualCache
 from litellm.proxy._types import (
     KeyRequestBase,
     LiteLLM_ManagementEndpoint_MetadataFields,
@@ -11,6 +13,9 @@
 )
 from litellm.proxy.utils import _premium_user_check
 
+if TYPE_CHECKING:
+    from litellm.proxy.utils import PrismaClient, ProxyLogging
+
 
 def _user_has_admin_view(user_api_key_dict: UserAPIKeyAuth) -> bool:
     return (
@@ -31,6 +36,78 @@ def _is_user_team_admin(
     return False
 
 
+async def _user_has_admin_privileges(
+    user_api_key_dict: UserAPIKeyAuth,
+    prisma_client: Optional["PrismaClient"] = None,
+    user_api_key_cache: Optional["DualCache"] = None,
+    proxy_logging_obj: Optional["ProxyLogging"] = None,
+) -> bool:
+    """
+    Check if user has admin privileges (proxy admin, team admin, or org admin).
+
+    Args:
+        user_api_key_dict: User API key authentication object
+        prisma_client: Prisma client for database operations
+        user_api_key_cache: Cache for user API keys
+        proxy_logging_obj: Proxy logging object
+
+    Returns:
+        True if user is proxy admin, team admin for any team, or org admin for any organization
+    """
+    # Check if user is proxy admin
+    if user_api_key_dict.user_role == LitellmUserRoles.PROXY_ADMIN:
+        return True
+
+    # If no database connection, can't check team/org admin status
+    if prisma_client is None or user_api_key_dict.user_id is None:
+        return False
+
+    # Get user object to check team and org admin status
+    from litellm.caching import DualCache as DualCacheImport
+    from litellm.proxy.auth.auth_checks import get_user_object
+
+    try:
+        user_obj = await get_user_object(
+            user_id=user_api_key_dict.user_id,
+            prisma_client=prisma_client,
+            user_api_key_cache=user_api_key_cache or DualCacheImport(),
+            user_id_upsert=False,
+            proxy_logging_obj=proxy_logging_obj,
+        )
+
+        if user_obj is None:
+            return False
+
+        # Check if user is org admin for any organization
+        if user_obj.organization_memberships is not None:
+            for membership in user_obj.organization_memberships:
+                if membership.user_role == LitellmUserRoles.ORG_ADMIN.value:
+                    return True
+
+        # Check if user is team admin for any team
+        if user_obj.teams is not None and len(user_obj.teams) > 0:
+            # Get all teams user is in
+            teams = await prisma_client.db.litellm_teamtable.find_many(
+                where={"team_id": {"in": user_obj.teams}}
+            )
+
+            for team in teams:
+                team_obj = LiteLLM_TeamTable(**team.model_dump())
+                if _is_user_team_admin(
+                    user_api_key_dict=user_api_key_dict, team_obj=team_obj
+                ):
+                    return True
+
+    except Exception as e:
+        # If there's an error checking, default to False for security
+        verbose_proxy_logger.debug(
+            f"Error checking admin privileges for user {user_api_key_dict.user_id}: {e}"
+        )
+        return False
+
+    return False
+
+
 def _set_object_metadata_field(
     object_data: Union[
         LiteLLM_TeamTable,
diff --git a/litellm/proxy/proxy_server.py b/litellm/proxy/proxy_server.py
index 8ae07121177..f49493286cb 100644
--- a/litellm/proxy/proxy_server.py
+++ b/litellm/proxy/proxy_server.py
@@ -5070,6 +5070,7 @@ async def model_list(
     only_model_access_groups: Optional[bool] = False,
     include_metadata: Optional[bool] = False,
     fallback_type: Optional[str] = None,
+    scope: Optional[str] = None,
 ):
     """
     Use `/model/info` - to get detailed model information, example - pricing, mode, etc.
@@ -5080,14 +5081,85 @@ async def model_list(
     - include_metadata: Include additional metadata in the response with fallback information
     - fallback_type: Type of fallbacks to include ("general", "context_window", "content_policy")
                     Defaults to "general" when include_metadata=true
+    - scope: Optional scope parameter. Currently only accepts "expand".
+             When scope=expand is passed, proxy admins, team admins, and org admins
+             will receive all proxy models as if they are a proxy admin.
     """
     global llm_model_list, general_settings, llm_router, prisma_client, user_api_key_cache, proxy_logging_obj
 
+    from litellm.proxy.management_endpoints.common_utils import (
+        _user_has_admin_privileges,
+    )
     from litellm.proxy.utils import (
         create_model_info_response,
         get_available_models_for_user,
     )
 
+    # Validate scope parameter if provided
+    if scope is not None and scope != "expand":
+        raise HTTPException(
+            status_code=400,
+            detail=f"Invalid scope parameter. Only 'expand' is currently supported. Received: {scope}",
+        )
+
+    # Check if scope=expand is requested and user has admin privileges
+    should_expand_scope = False
+    if scope == "expand":
+        should_expand_scope = await _user_has_admin_privileges(
+            user_api_key_dict=user_api_key_dict,
+            prisma_client=prisma_client,
+            user_api_key_cache=user_api_key_cache,
+            proxy_logging_obj=proxy_logging_obj,
+        )
+
+    # If scope=expand and user has admin privileges, return all proxy models
+    if should_expand_scope:
+        # Get all proxy models as if user is a proxy admin
+        if llm_router is None:
+            proxy_model_list = []
+            model_access_groups = {}
+        else:
+            proxy_model_list = llm_router.get_model_names()
+            model_access_groups = llm_router.get_model_access_groups()
+
+        # Include model access groups if requested
+        if include_model_access_groups:
+            proxy_model_list = list(set(proxy_model_list + list(model_access_groups.keys())))
+
+        # Get complete model list including wildcard routes if requested
+        from litellm.proxy.auth.model_checks import get_complete_model_list
+
+        all_models = get_complete_model_list(
+            key_models=[],
+            team_models=[],
+            proxy_model_list=proxy_model_list,
+            user_model=None,
+            infer_model_from_keys=False,
+            return_wildcard_routes=return_wildcard_routes or False,
+            llm_router=llm_router,
+            model_access_groups=model_access_groups,
+            include_model_access_groups=include_model_access_groups or False,
+            only_model_access_groups=only_model_access_groups or False,
+        )
+
+        # Build response data with all proxy models
+        model_data = []
+        for model in all_models:
+            model_info = create_model_info_response(
+                model_id=model,
+                provider="openai",
+                include_metadata=include_metadata or False,
+                fallback_type=fallback_type,
+                llm_router=llm_router,
+            )
+            model_data.append(model_info)
+
+        return dict(
+            data=model_data,
+            object="list",
+        )
+
+    # Otherwise, use the normal behavior (current implementation)
     # Get available models for the user
     all_models = await get_available_models_for_user(
         user_api_key_dict=user_api_key_dict,
diff --git a/tests/test_litellm/proxy/test_proxy_server.py b/tests/test_litellm/proxy/test_proxy_server.py
index f1854380efe..cb519e9f509 100644
--- a/tests/test_litellm/proxy/test_proxy_server.py
+++ b/tests/test_litellm/proxy/test_proxy_server.py
@@ -3625,3 +3625,442 @@ def test_enrich_model_info_with_litellm_data():
         assert call_args["model_info"]["id"] == "existing-id"
         assert call_args["model_info"]["custom_key"] == "custom_value"
         assert call_args["model_info"]["input_cost_per_token"] == 0.001
+
+
+@pytest.mark.asyncio
+async def test_model_list_scope_parameter_validation(monkeypatch):
+    """Test that invalid scope parameter raises HTTPException"""
+    from fastapi import HTTPException
+    from litellm.proxy._types import UserAPIKeyAuth, LitellmUserRoles
+    from litellm.proxy.proxy_server import model_list
+
+    mock_user_api_key_dict = UserAPIKeyAuth(
+        user_id="test-user",
+        user_role=LitellmUserRoles.INTERNAL_USER,
+        api_key="test-key",
+    )
+
+    # Test invalid scope parameter
+    with pytest.raises(HTTPException) as exc_info:
+        await model_list(
+            user_api_key_dict=mock_user_api_key_dict,
+            scope="invalid_scope",
+        )
+
+    assert exc_info.value.status_code == 400
+    assert "Invalid scope parameter" in exc_info.value.detail
+    assert "Only 'expand' is currently supported" in exc_info.value.detail
+
+
+@pytest.mark.asyncio
+async def test_model_list_scope_expand_proxy_admin(monkeypatch):
+    """Test that proxy admin with scope=expand returns all proxy models"""
+    from litellm.proxy._types import UserAPIKeyAuth, LitellmUserRoles, LiteLLM_UserTable
+    from litellm.proxy.proxy_server import model_list
+
+    # Mock user API key dict for proxy admin
+    mock_user_api_key_dict = UserAPIKeyAuth(
+        user_id="proxy-admin-user",
+        user_role=LitellmUserRoles.PROXY_ADMIN,
+        api_key="test-key",
+    )
+
+    # Mock llm_router with proxy models
+    mock_router = MagicMock()
+    mock_router.get_model_names.return_value = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+    mock_router.get_model_access_groups.return_value = {}
+
+    # Mock prisma_client
+    mock_prisma_client = MagicMock()
+
+    # Mock user_api_key_cache
+    mock_user_api_key_cache = MagicMock()
+
+    # Mock proxy_logging_obj
+    mock_proxy_logging_obj = MagicMock()
+
+    # Mock get_complete_model_list
+    mock_all_models = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+
+    # Mock create_model_info_response
+    def mock_create_model_info_response(model_id, provider, include_metadata=False, fallback_type=None, llm_router=None):
+        return {"id": model_id, "object": "model"}
+
+    # Apply monkeypatches
+    monkeypatch.setattr("litellm.proxy.proxy_server.llm_router", mock_router)
+    monkeypatch.setattr("litellm.proxy.proxy_server.prisma_client", mock_prisma_client)
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_api_key_cache", mock_user_api_key_cache)
+    monkeypatch.setattr("litellm.proxy.proxy_server.proxy_logging_obj", mock_proxy_logging_obj)
+    monkeypatch.setattr("litellm.proxy.proxy_server.general_settings", {})
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_model", None)
+    monkeypatch.setattr(
+        "litellm.proxy.auth.model_checks.get_complete_model_list",
+        lambda **kwargs: mock_all_models,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.utils.create_model_info_response",
+        mock_create_model_info_response,
+    )
+
+    # Call model_list with scope=expand
+    result = await model_list(
+        user_api_key_dict=mock_user_api_key_dict,
+        scope="expand",
+    )
+
+    # Verify result contains all proxy models
+    assert result["object"] == "list"
+    assert len(result["data"]) == 3
+    assert all(model["id"] in mock_all_models for model in result["data"])
+
+    # Verify router methods were called
+    mock_router.get_model_names.assert_called_once()
+    mock_router.get_model_access_groups.assert_called_once()
+
+
+@pytest.mark.asyncio
+async def test_model_list_scope_expand_org_admin(monkeypatch):
+    """Test that org admin with scope=expand returns all proxy models"""
+    from litellm.proxy._types import (
+        UserAPIKeyAuth,
+        LitellmUserRoles,
+        LiteLLM_UserTable,
+    )
+    from litellm.proxy.proxy_server import model_list
+
+    # Mock user API key dict for org admin
+    mock_user_api_key_dict = UserAPIKeyAuth(
+        user_id="org-admin-user",
+        user_role=LitellmUserRoles.INTERNAL_USER,  # Not proxy admin, but org admin
+        api_key="test-key",
+    )
+
+    # Mock user object with org admin membership
+    from litellm.proxy._types import LiteLLM_OrganizationMembershipTable
+    from datetime import datetime
+    
+    mock_user_obj = LiteLLM_UserTable(
+        user_id="org-admin-user",
+        user_email="org-admin@example.com",
+        organization_memberships=[
+            LiteLLM_OrganizationMembershipTable(
+                user_id="org-admin-user",
+                organization_id="org-123",
+                user_role=LitellmUserRoles.ORG_ADMIN.value,
+                spend=0.0,
+                created_at=datetime.now(),
+                updated_at=datetime.now(),
+            )
+        ],
+        teams=[],
+    )
+
+    # Mock llm_router with proxy models
+    mock_router = MagicMock()
+    mock_router.get_model_names.return_value = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+    mock_router.get_model_access_groups.return_value = {}
+
+    # Mock prisma_client
+    mock_prisma_client = MagicMock()
+
+    # Mock user_api_key_cache
+    mock_user_api_key_cache = MagicMock()
+
+    # Mock proxy_logging_obj
+    mock_proxy_logging_obj = MagicMock()
+
+    # Mock get_user_object to return user with org admin role
+    async def mock_get_user_object(*args, **kwargs):
+        return mock_user_obj
+
+    # Mock get_complete_model_list
+    mock_all_models = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+
+    # Mock create_model_info_response
+    def mock_create_model_info_response(model_id, provider, include_metadata=False, fallback_type=None, llm_router=None):
+        return {"id": model_id, "object": "model"}
+
+    # Apply monkeypatches
+    monkeypatch.setattr("litellm.proxy.proxy_server.llm_router", mock_router)
+    monkeypatch.setattr("litellm.proxy.proxy_server.prisma_client", mock_prisma_client)
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_api_key_cache", mock_user_api_key_cache)
+    monkeypatch.setattr("litellm.proxy.proxy_server.proxy_logging_obj", mock_proxy_logging_obj)
+    monkeypatch.setattr("litellm.proxy.proxy_server.general_settings", {})
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_model", None)
+    monkeypatch.setattr(
+        "litellm.proxy.auth.auth_checks.get_user_object",
+        mock_get_user_object,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.auth.model_checks.get_complete_model_list",
+        lambda **kwargs: mock_all_models,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.utils.create_model_info_response",
+        mock_create_model_info_response,
+    )
+
+    # Call model_list with scope=expand
+    result = await model_list(
+        user_api_key_dict=mock_user_api_key_dict,
+        scope="expand",
+    )
+
+    # Verify result contains all proxy models
+    assert result["object"] == "list"
+    assert len(result["data"]) == 3
+    assert all(model["id"] in mock_all_models for model in result["data"])
+
+    # Verify router methods were called
+    mock_router.get_model_names.assert_called_once()
+    mock_router.get_model_access_groups.assert_called_once()
+
+
+@pytest.mark.asyncio
+async def test_model_list_scope_expand_team_admin(monkeypatch):
+    """Test that team admin with scope=expand returns all proxy models"""
+    from litellm.proxy._types import (
+        UserAPIKeyAuth,
+        LitellmUserRoles,
+        LiteLLM_UserTable,
+        LiteLLM_TeamTable,
+    )
+    from litellm.proxy.proxy_server import model_list
+
+    # Mock user API key dict for team admin
+    mock_user_api_key_dict = UserAPIKeyAuth(
+        user_id="team-admin-user",
+        user_role=LitellmUserRoles.INTERNAL_USER,  # Not proxy admin, but team admin
+        api_key="test-key",
+    )
+
+    # Mock team with user as admin - use dict structure that matches Prisma return
+    mock_team = MagicMock()
+    mock_team.model_dump.return_value = {
+        "team_id": "team-123",
+        "members_with_roles": [
+            {"user_id": "team-admin-user", "role": "admin"}
+        ],
+    }
+    # Create team object from the dict (validator will convert members_with_roles to Member objects)
+    mock_team_obj = LiteLLM_TeamTable(**mock_team.model_dump())
+
+    # Mock user object with team membership
+    mock_user_obj = LiteLLM_UserTable(
+        user_id="team-admin-user",
+        user_email="team-admin@example.com",
+        organization_memberships=[],
+        teams=["team-123"],
+    )
+
+    # Mock llm_router with proxy models
+    mock_router = MagicMock()
+    mock_router.get_model_names.return_value = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+    mock_router.get_model_access_groups.return_value = {}
+
+    # Mock prisma_client
+    mock_prisma_client = MagicMock()
+    mock_prisma_client.db.litellm_teamtable.find_many = AsyncMock(
+        return_value=[mock_team]
+    )
+
+    # Mock user_api_key_cache
+    mock_user_api_key_cache = MagicMock()
+
+    # Mock proxy_logging_obj
+    mock_proxy_logging_obj = MagicMock()
+
+    # Mock get_user_object to return user with team membership
+    async def mock_get_user_object(*args, **kwargs):
+        return mock_user_obj
+
+    # Mock get_complete_model_list
+    mock_all_models = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+
+    # Mock create_model_info_response
+    def mock_create_model_info_response(model_id, provider, include_metadata=False, fallback_type=None, llm_router=None):
+        return {"id": model_id, "object": "model"}
+
+    # Apply monkeypatches
+    monkeypatch.setattr("litellm.proxy.proxy_server.llm_router", mock_router)
+    monkeypatch.setattr("litellm.proxy.proxy_server.prisma_client", mock_prisma_client)
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_api_key_cache", mock_user_api_key_cache)
+    monkeypatch.setattr("litellm.proxy.proxy_server.proxy_logging_obj", mock_proxy_logging_obj)
+    monkeypatch.setattr("litellm.proxy.proxy_server.general_settings", {})
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_model", None)
+    monkeypatch.setattr(
+        "litellm.proxy.auth.auth_checks.get_user_object",
+        mock_get_user_object,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.auth.model_checks.get_complete_model_list",
+        lambda **kwargs: mock_all_models,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.utils.create_model_info_response",
+        mock_create_model_info_response,
+    )
+
+    # Call model_list with scope=expand
+    result = await model_list(
+        user_api_key_dict=mock_user_api_key_dict,
+        scope="expand",
+    )
+
+    # Verify result contains all proxy models
+    assert result["object"] == "list"
+    assert len(result["data"]) == 3
+    assert all(model["id"] in mock_all_models for model in result["data"])
+
+    # Verify router methods were called
+    mock_router.get_model_names.assert_called_once()
+    mock_router.get_model_access_groups.assert_called_once()
+
+
+@pytest.mark.asyncio
+async def test_model_list_scope_expand_normal_user(monkeypatch):
+    """Test that normal internal user with scope=expand returns only their models (not expanded)"""
+    from litellm.proxy._types import UserAPIKeyAuth, LitellmUserRoles, LiteLLM_UserTable
+    from litellm.proxy.proxy_server import model_list
+
+    # Mock user API key dict for normal internal user
+    mock_user_api_key_dict = UserAPIKeyAuth(
+        user_id="normal-user",
+        user_role=LitellmUserRoles.INTERNAL_USER,
+        api_key="test-key",
+        models=["gpt-3.5-turbo"],  # User only has access to this model
+    )
+
+    # Mock user object without admin privileges
+    mock_user_obj = LiteLLM_UserTable(
+        user_id="normal-user",
+        user_email="normal@example.com",
+        organization_memberships=[],  # No org admin
+        teams=[],  # No teams
+    )
+
+    # Mock llm_router
+    mock_router = MagicMock()
+    mock_router.get_model_names.return_value = ["gpt-4", "gpt-3.5-turbo", "claude-3-opus"]
+
+    # Mock prisma_client
+    mock_prisma_client = MagicMock()
+
+    # Mock user_api_key_cache
+    mock_user_api_key_cache = MagicMock()
+
+    # Mock proxy_logging_obj
+    mock_proxy_logging_obj = MagicMock()
+
+    # Mock get_user_object to return user without admin privileges
+    async def mock_get_user_object(*args, **kwargs):
+        return mock_user_obj
+
+    # Mock get_available_models_for_user to return only user's models
+    async def mock_get_available_models_for_user(*args, **kwargs):
+        return ["gpt-3.5-turbo"]  # Only user's accessible models
+
+    # Mock create_model_info_response
+    def mock_create_model_info_response(model_id, provider, include_metadata=False, fallback_type=None, llm_router=None):
+        return {"id": model_id, "object": "model"}
+
+    # Apply monkeypatches
+    monkeypatch.setattr("litellm.proxy.proxy_server.llm_router", mock_router)
+    monkeypatch.setattr("litellm.proxy.proxy_server.prisma_client", mock_prisma_client)
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_api_key_cache", mock_user_api_key_cache)
+    monkeypatch.setattr("litellm.proxy.proxy_server.proxy_logging_obj", mock_proxy_logging_obj)
+    monkeypatch.setattr("litellm.proxy.proxy_server.general_settings", {})
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_model", None)
+    monkeypatch.setattr(
+        "litellm.proxy.auth.auth_checks.get_user_object",
+        mock_get_user_object,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.utils.get_available_models_for_user",
+        mock_get_available_models_for_user,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.utils.create_model_info_response",
+        mock_create_model_info_response,
+    )
+
+    # Call model_list with scope=expand
+    result = await model_list(
+        user_api_key_dict=mock_user_api_key_dict,
+        scope="expand",
+    )
+
+    # Verify result contains only user's models (not all proxy models)
+    assert result["object"] == "list"
+    assert len(result["data"]) == 1
+    assert result["data"][0]["id"] == "gpt-3.5-turbo"
+
+    # Verify router methods were NOT called (normal path, not expanded)
+    mock_router.get_model_names.assert_not_called()
+    mock_router.get_model_access_groups.assert_not_called()
+
+
+@pytest.mark.asyncio
+async def test_model_list_no_scope_parameter(monkeypatch):
+    """Test that model_list without scope parameter uses normal behavior"""
+    from litellm.proxy._types import UserAPIKeyAuth, LitellmUserRoles
+    from litellm.proxy.proxy_server import model_list
+
+    # Mock user API key dict
+    mock_user_api_key_dict = UserAPIKeyAuth(
+        user_id="test-user",
+        user_role=LitellmUserRoles.INTERNAL_USER,
+        api_key="test-key",
+        models=["gpt-3.5-turbo"],
+    )
+
+    # Mock llm_router
+    mock_router = MagicMock()
+
+    # Mock prisma_client
+    mock_prisma_client = MagicMock()
+
+    # Mock user_api_key_cache
+    mock_user_api_key_cache = MagicMock()
+
+    # Mock proxy_logging_obj
+    mock_proxy_logging_obj = MagicMock()
+
+    # Mock get_available_models_for_user
+    async def mock_get_available_models_for_user(*args, **kwargs):
+        return ["gpt-3.5-turbo"]
+
+    # Mock create_model_info_response
+    def mock_create_model_info_response(model_id, provider, include_metadata=False, fallback_type=None, llm_router=None):
+        return {"id": model_id, "object": "model"}
+
+    # Apply monkeypatches
+    monkeypatch.setattr("litellm.proxy.proxy_server.llm_router", mock_router)
+    monkeypatch.setattr("litellm.proxy.proxy_server.prisma_client", mock_prisma_client)
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_api_key_cache", mock_user_api_key_cache)
+    monkeypatch.setattr("litellm.proxy.proxy_server.proxy_logging_obj", mock_proxy_logging_obj)
+    monkeypatch.setattr("litellm.proxy.proxy_server.general_settings", {})
+    monkeypatch.setattr("litellm.proxy.proxy_server.user_model", None)
+    monkeypatch.setattr(
+        "litellm.proxy.utils.get_available_models_for_user",
+        mock_get_available_models_for_user,
+    )
+    monkeypatch.setattr(
+        "litellm.proxy.utils.create_model_info_response",
+        mock_create_model_info_response,
+    )
+
+    # Call model_list without scope parameter
+    result = await model_list(
+        user_api_key_dict=mock_user_api_key_dict,
+        scope=None,
+    )
+
+    # Verify result uses normal behavior
+    assert result["object"] == "list"
+    assert len(result["data"]) == 1
+    assert result["data"][0]["id"] == "gpt-3.5-turbo"
+
+    # Verify router methods were NOT called (normal path)
+    mock_router.get_model_names.assert_not_called()
+    mock_router.get_model_access_groups.assert_not_called()