fix: use dynamic timestamps for /v1/models endpoint

- Replace hardcoded DEFAULT_MODEL_CREATED_AT_TIME with int(time.time())
- Fixes Android Studio 2025.2.3 and Xcode 26.2 integration issues

Fixes #21371

litellm/constants.py

@@ -1,6 +1,7 @@
 import os
 import sys
 from typing import List, Literal
+import time
 
 from litellm.litellm_core_utils.env_utils import get_env_int
 
@@ -1336,9 +1337,7 @@ DEFAULT_SHARED_HEALTH_CHECK_LOCK_TTL = int(
 PROMETHEUS_FALLBACK_STATS_SEND_TIME_HOURS = int(
     os.getenv("PROMETHEUS_FALLBACK_STATS_SEND_TIME_HOURS", 9)
 )
-DEFAULT_MODEL_CREATED_AT_TIME = int(
-    os.getenv("DEFAULT_MODEL_CREATED_AT_TIME", 1677610602)
-)  # returns on `/models` endpoint
+# returns on `/models` endpoint
 DEFAULT_SLACK_ALERTING_THRESHOLD = int(
     os.getenv("DEFAULT_SLACK_ALERTING_THRESHOLD", 300)
 )

litellm/proxy/proxy_server.py

@@ -205,7 +205,6 @@ from litellm.constants import (
     APSCHEDULER_REPLACE_EXISTING,
     DAYS_IN_A_MONTH,
     DEFAULT_HEALTH_CHECK_INTERVAL,
-    DEFAULT_MODEL_CREATED_AT_TIME,
     LITELLM_PROXY_ADMIN_NAME,
     PROMETHEUS_FALLBACK_STATS_SEND_TIME_HOURS,
     PROXY_BATCH_POLLING_INTERVAL,

litellm/proxy/utils.py

@@ -23,7 +23,7 @@ from typing import (
 )
 
 from litellm import _custom_logger_compatible_callbacks_literal
-from litellm.constants import DEFAULT_MODEL_CREATED_AT_TIME, MAX_TEAM_LIST_LIMIT
+from litellm.constants import MAX_TEAM_LIST_LIMIT
 from litellm.proxy._types import (
     DB_CONNECTION_ERROR_TYPES,
     CommonProxyErrors,
@@ -4695,7 +4695,7 @@ def create_model_info_response(
     model_info = {
         "id": model_id,
         "object": "model",
-        "created": DEFAULT_MODEL_CREATED_AT_TIME,
+        "created": int(time.time()),
         "owned_by": provider,
     }
 

tests/proxy_unit_tests/test_models_fallback_endpoint.py

@@ -1,5 +1,6 @@
 import pytest
 from unittest.mock import Mock, patch
+import time
 
 
 def create_mock_user_api_key_auth():
@@ -88,11 +89,7 @@ def test_model_list_with_fallback_metadata(
     # The important thing is that our function signature and logic are correct
     
     # Import the constants we need
-    try:
-        from litellm.proxy.proxy_server import DEFAULT_MODEL_CREATED_AT_TIME
-    except ImportError:
-        DEFAULT_MODEL_CREATED_AT_TIME = 1640995200  # Default fallback
-    
+    TEST_MODEL_CREATED_TIME = 1640995200  # Default fallback
     # Test with include_metadata=True (should default to general fallbacks)
     all_models = ["claude-4-sonnet", "bedrock-claude-sonnet-4"]
     
@@ -102,7 +99,7 @@ def test_model_list_with_fallback_metadata(
         model_info = {
             "id": model,
             "object": "model",
-            "created": DEFAULT_MODEL_CREATED_AT_TIME,
+            "created": TEST_MODEL_CREATED_TIME,
             "owned_by": "openai",
         }