diff --git a/backend/open_webui/config.py b/backend/open_webui/config.py
index acd3d83bf8..de956aed9b 100644
--- a/backend/open_webui/config.py
+++ b/backend/open_webui/config.py
@@ -2841,6 +2841,7 @@ DEFAULT_CONFIG = {
     'openai.api_base_urls': OPENAI_API_BASE_URLS,
     'openai.api_configs': OPENAI_API_CONFIGS,
     'models.base_models_cache': ENABLE_BASE_MODELS_CACHE,
+    'models.base_models_cache_epoch': '',
     'tool_server.connections': TOOL_SERVER_CONNECTIONS,
     'oauth.client.timeout': OAUTH_CLIENT_TIMEOUT,
     'terminal_server.connections': TERMINAL_SERVER_CONNECTIONS,
diff --git a/backend/open_webui/main.py b/backend/open_webui/main.py
index c84a394b87..914c0620b8 100644
--- a/backend/open_webui/main.py
+++ b/backend/open_webui/main.py
@@ -587,6 +587,7 @@ app.state.SCIM_TOKEN = SCIM_TOKEN
 ########################################
 
 app.state.BASE_MODELS = []
+app.state.BASE_MODELS_EPOCH = None
 
 ########################################
 #
diff --git a/backend/open_webui/routers/ollama.py b/backend/open_webui/routers/ollama.py
index 00f41c01b3..4f719c55e5 100644
--- a/backend/open_webui/routers/ollama.py
+++ b/backend/open_webui/routers/ollama.py
@@ -9,6 +9,7 @@ import time
 from datetime import datetime
 from typing import Optional, Union
 from urllib.parse import urlparse
+from uuid import uuid4
 
 import aiofiles
 import aiohttp
@@ -315,6 +316,7 @@ async def update_config(
             'ollama.enable': form_data.ENABLE_OLLAMA_API,
             'ollama.base_urls': form_data.OLLAMA_BASE_URLS,
             'ollama.api_configs': api_configs,
+            'models.base_models_cache_epoch': str(uuid4()),
         }
     )
 
diff --git a/backend/open_webui/routers/openai.py b/backend/open_webui/routers/openai.py
index 0f21defdd5..7ea9302d47 100644
--- a/backend/open_webui/routers/openai.py
+++ b/backend/open_webui/routers/openai.py
@@ -6,6 +6,7 @@ import logging
 import re
 from typing import Optional
 from urllib.parse import quote, urlparse
+from uuid import uuid4
 
 import aiofiles
 import aiohttp
@@ -344,6 +345,7 @@ async def get_openai_connection(idx: int) -> tuple[str, str, dict]:
 
 
 async def clear_openai_model_cache(request: Request):
+    await Config.upsert({'models.base_models_cache_epoch': str(uuid4())})
     await get_all_models.cache.clear()
     request.app.state.BASE_MODELS = []
     request.app.state.OPENAI_MODELS = {}
@@ -571,14 +573,7 @@ async def update_config(request: Request, form_data: OpenAIConfigForm, user=Depe
         }
     )
 
-    await get_all_models.cache.clear()
-    request.app.state.BASE_MODELS = []
-    request.app.state.OPENAI_MODELS = {}
-    models = getattr(request.app.state, 'MODELS', None)
-    if hasattr(models, 'clear'):
-        models.clear()
-    else:
-        request.app.state.MODELS = {}
+    await clear_openai_model_cache(request)
 
     await publish_event(
         request,
diff --git a/backend/open_webui/utils/models.py b/backend/open_webui/utils/models.py
index 1c648b7f38..d55c5b52bc 100644
--- a/backend/open_webui/utils/models.py
+++ b/backend/open_webui/utils/models.py
@@ -67,22 +67,28 @@ async def get_all_base_models(request: Request, user: UserModel = None):
 async def get_all_models(request, refresh: bool = False, user: UserModel = None):
     config = await Config.get_many(
         'models.base_models_cache',
+        'models.base_models_cache_epoch',
         'evaluation.arena.enable',
         'evaluation.arena.models',
         'models.default_metadata',
     )
-    if refresh:
+    # A changed epoch means another instance edited a provider, so our cached models are stale.
+    cache_epoch = config.get('models.base_models_cache_epoch')
+    stale = request.app.state.BASE_MODELS_EPOCH != cache_epoch
+
+    if refresh or stale:
         await openai.get_all_models.cache.clear()
         await ollama.get_all_models.cache.clear()
 
     if (
         request.app.state.MODELS
         and request.app.state.BASE_MODELS
-        and (config.get('models.base_models_cache') and not refresh)
+        and (config.get('models.base_models_cache') and not (refresh or stale))
     ):
         base_models = request.app.state.BASE_MODELS
     else:
         base_models = await get_all_base_models(request, user=user)
+        request.app.state.BASE_MODELS_EPOCH = cache_epoch
         if base_models:
             request.app.state.BASE_MODELS = base_models
         else: