@@ -477,6 +477,7 @@ if (SENTRY_URL := env.str('SENTRY_URL', '')) and RELEASE and ENVIRONMENT:
             'RequestBlocked',
             'PredictionInterruptedError',
             'ImageContentNotFound',
+            'PromptLengthExceeded'
         ],
     )
 
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2025-12-25 15:54+0300\n"
+"POT-Creation-Date: 2026-01-12 11:29+0300\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -670,6 +670,11 @@ msgstr "При выбранном стиле используйте тип ст
 msgid "Prediction interrupted. Please retry again"
 msgstr "Генерация прервана. Пожалуйста, повторите попытку еще раз"
 
+#: ml_model/exceptions.py:104
+#, python-format
+msgid "Prompt is too long. Maximum length is %(max_length)s characters."
+msgstr "Промпт слишком длинный. Максимальная длина — %(max_length)s символов."
+
 #: ml_model/models.py:18 ml_model/models.py:38 ml_model/models.py:70
 #: ml_model/models.py:182 tools/media/models.py:43
 msgid "Slug"
@@ -6,6 +6,7 @@ from asgiref.sync import async_to_sync
 from googletrans import Translator
 
 from messages.models import BaseStore, Message
+from ml_model.exceptions import PromptLengthExceeded
 from ml_model.models import (
     ModelCategory,
     ModelInput,
@@ -56,6 +57,8 @@ class SimpleService(ABC):
         )
 
     def translate_prompt(self, prompt: str, to: str = 'en'):
+        if len(prompt) > 3000:
+            raise PromptLengthExceeded
         return async_to_sync(self.translator.translate)(prompt, dest=to).text
 
     @abstractmethod
@@ -94,3 +94,13 @@ class InvalidStyleCombinationError(Exception):
 class PredictionInterruptedError(Exception):
     def __str__(self):
         return _('Prediction interrupted. Please retry again')
+
+
+class PromptLengthExceeded(Exception):
+    def __init__(self, max_length: int = 3000) -> None:
+        self.max_length = max_length
+
+    def __str__(self) -> str:
+        return _('Prompt is too long. Maximum length is %(max_length)s characters.') % {
+            'max_length': self.max_length
+        }
@@ -26,6 +26,7 @@ from ml_model.exceptions import (
     TemplateNotFound,
     TemplateUnknownException,
     RequestBlocked,
+    PromptLengthExceeded,
 )
 from ml_model.services.base import SimpleService
 from payments.exceptions.insufficient_balance import InsufficientBalance
@@ -163,7 +164,12 @@ class MessagesAPIView(APIView):
                     {'detail': f'{exc}'},
                     status=HTTP_503_SERVICE_UNAVAILABLE,
                 )
-            except (FileExtensionNotSupported, ExceededContextLengthError, RequestBlocked) as exc:
+            except (
+                FileExtensionNotSupported,
+                ExceededContextLengthError,
+                RequestBlocked,
+                PromptLengthExceeded,
+            ) as exc:
                 return Response({'detail': f'{exc}'}, status=HTTP_400_BAD_REQUEST)
             except TemplateNotFound as exc:
                 return Response({'detail': f'{exc}'}, status=HTTP_500_INTERNAL_SERVER_ERROR)
@@ -15,7 +15,8 @@ from ml_model.exceptions import (
     UnsupportedSize,
     FileNotProvided,
     ImageContentNotFound,
-    InvalidStyleCombinationError
+    InvalidStyleCombinationError,
+    PromptLengthExceeded,
 )
 from ml_model.models import NeuronModel
 from ml_model.services.base import SimpleService
@@ -158,9 +159,17 @@ class MediaAPIView(APIView):
                 input_message.save()
                 if isinstance(exc, InsufficientBalance):
                     return Response({'detail': f'{exc}'}, status=HTTP_402_PAYMENT_REQUIRED)
-                if isinstance(exc, (
-                        UnsupportedSize, RequestBlocked, FileNotProvided, ImageContentNotFound, InvalidStyleCombinationError
-                )):
+                if isinstance(
+                    exc,
+                    (
+                        UnsupportedSize,
+                        RequestBlocked,
+                        FileNotProvided,
+                        ImageContentNotFound,
+                        InvalidStyleCombinationError,
+                        PromptLengthExceeded,
+                    ),
+                ):
                     return Response({'detail': f'{exc}'}, status=HTTP_400_BAD_REQUEST)
                 return Response(
                     {