diff --git a/etc/unittest/models.py b/etc/unittest/models.py
index 79641f33..34f58a66 100644
--- a/etc/unittest/models.py
+++ b/etc/unittest/models.py
@@ -19,7 +19,7 @@ class TestProviderHasModel(unittest.TestCase):
                     if model.name in provider.model_aliases:
                         model_name = provider.model_aliases[model.name]
                     else:
-                        model_name = model.name
+                        model_name = model.get_long_name()
                         self.provider_has_model(provider, model_name)
 
     def provider_has_model(self, provider: Type[BaseProvider], model: str):
@@ -29,7 +29,8 @@ class TestProviderHasModel(unittest.TestCase):
             except (MissingRequirementsError, MissingAuthError):
                 return
         if self.cache[provider.__name__]:
-            self.assertIn(model, self.cache[provider.__name__], provider.__name__)
+            if not model in provider.model_aliases:
+                self.assertIn(model, self.cache[provider.__name__], provider.__name__)
 
     def test_all_providers_working(self):
         for model, providers in __models__.values():
diff --git a/g4f/Provider/Kimi.py b/g4f/Provider/Kimi.py
index 57ab9694..bbcd8b12 100644
--- a/g4f/Provider/Kimi.py
+++ b/g4f/Provider/Kimi.py
@@ -16,6 +16,7 @@ class Kimi(AsyncAuthedProvider, ProviderModelMixin):
     active_by_default = True
     default_model = "kimi-k2"
     models = [default_model]
+    model_aliases = {"moonshotai/Kimi-K2-Instruct": default_model}
 
     @classmethod
     async def on_auth_async(cls, proxy: str = None, **kwargs) -> AsyncIterator:
diff --git a/g4f/Provider/PollinationsAI.py b/g4f/Provider/PollinationsAI.py
index de6ea6ef..8a55d07e 100644
--- a/g4f/Provider/PollinationsAI.py
+++ b/g4f/Provider/PollinationsAI.py
@@ -88,7 +88,8 @@ class PollinationsAI(AsyncGeneratorProvider, ProviderModelMixin):
     vision_models = [default_vision_model]
     _models_loaded = False
     model_aliases = {
-        "gpt-4.1-nano": "openai",
+        "gpt-4.1-mini": "openai",
+        "gpt-4.1-nano": "openai-fast",
         "gpt-4.1": "openai-large",
         "o4-mini": "openai-reasoning",
         "qwen-2.5-coder-32b": "qwen-coder",
diff --git a/g4f/models.py b/g4f/models.py
index 3199a14e..1bb69cc1 100644
--- a/g4f/models.py
+++ b/g4f/models.py
@@ -197,20 +197,20 @@ default_vision = VisionModel(
 gpt_4 = Model(
     name          = 'gpt-4',
     base_provider = 'OpenAI',
-    best_provider = IterListProvider([Blackbox, PollinationsAI, Copilot, Yqcloud, WeWordle, OpenaiChat])
+    best_provider = IterListProvider([Blackbox, Copilot, Yqcloud, WeWordle, OpenaiChat])
 )
 
 # gpt-4o
 gpt_4o = VisionModel(
     name          = 'gpt-4o',
     base_provider = 'OpenAI',
-    best_provider = IterListProvider([Blackbox, PollinationsAI, OpenaiChat])
+    best_provider = IterListProvider([Blackbox, OpenaiChat])
 )
 
 gpt_4o_mini = Model(
     name          = 'gpt-4o-mini',
     base_provider = 'OpenAI',
-    best_provider = IterListProvider([Blackbox, PollinationsAI, Chatai, OIVSCodeSer2, Startnest, OpenaiChat])
+    best_provider = IterListProvider([Blackbox, Chatai, OIVSCodeSer2, Startnest, OpenaiChat])
 )
 
 gpt_4o_mini_audio = AudioModel(