diff --git a/adapters/google_adapter.py b/adapters/google_adapter.py
index adcfe0a..a4cd452 100644
--- a/adapters/google_adapter.py
+++ b/adapters/google_adapter.py
@@ -20,7 +20,7 @@ class GoogleAdapter:
         self.client = genai.Client(api_key=api_key)
 
         # Константы моделей
-        self.TEXT_MODEL = "gemini-3-pro-preview"
+        self.TEXT_MODEL = "gemini-3.1-pro-preview"
         self.IMAGE_MODEL = "gemini-3-pro-image-preview"
 
     def _prepare_contents(self, prompt: str, images_list: List[bytes] | None = None) -> tuple:
diff --git a/api/endpoints/generation_router.py b/api/endpoints/generation_router.py
index 3634a17..3817647 100644
--- a/api/endpoints/generation_router.py
+++ b/api/endpoints/generation_router.py
@@ -18,7 +18,8 @@ from api.models import (
     PromptRequest, 
     GenerationGroupResponse,
     FinancialReport,
-    ExternalGenerationRequest
+    ExternalGenerationRequest,
+    NsfwRequest
 )
 from api.service.generation_service import GenerationService
 from repos.dao import DAO
@@ -192,6 +193,33 @@ async def toggle_like(
     return {"is_liked": is_liked}
 
 
+@router.post("/{generation_id}/nsfw", status_code=status.HTTP_204_NO_CONTENT)
+async def mark_generation_nsfw(
+        generation_id: str,
+        request: NsfwRequest,
+        generation_service: GenerationService = Depends(get_generation_service),
+        current_user: dict = Depends(get_current_user)
+):
+    gen = await generation_service.get_generation(generation_id, current_user_id=str(current_user["_id"]))
+    if not gen:
+        raise HTTPException(status_code=404, detail="Generation not found")
+
+    if gen.created_by != str(current_user["_id"]):
+        is_member = False
+        if gen.project_id:
+            project = await generation_service.dao.projects.get_project(gen.project_id)
+            if project and str(current_user["_id"]) in project.members:
+                is_member = True
+        
+        if not is_member:
+            raise HTTPException(status_code=403, detail="Access denied")
+
+    if not await generation_service.dao.generations.mark_nsfw(generation_id, request.is_nsfw):
+        raise HTTPException(status_code=404, detail="Generation not found or already in the requested state")
+    
+    return None
+
+
 @router.post("/import", response_model=GenerationResponse)
 async def import_external_generation(
     request: Request,
diff --git a/api/models/GenerationRequest.py b/api/models/GenerationRequest.py
index 2019720..e24d9c0 100644
--- a/api/models/GenerationRequest.py
+++ b/api/models/GenerationRequest.py
@@ -23,6 +23,10 @@ class GenerationRequest(BaseModel):
     count: int = Field(default=1, ge=1, le=10)
 
 
+class NsfwRequest(BaseModel):
+    is_nsfw: bool
+
+
 class GenerationsResponse(BaseModel):
     generations: List["GenerationResponse"]
     total_count: int
@@ -69,4 +73,4 @@ class PromptRequest(BaseModel):
 
 
 class PromptResponse(BaseModel):
-    prompt: str
\ No newline at end of file
+    prompt: str
diff --git a/repos/generation_repo.py b/repos/generation_repo.py
index 753f99c..b81df3b 100644
--- a/repos/generation_repo.py
+++ b/repos/generation_repo.py
@@ -131,6 +131,16 @@ class GenerationRepo:
             )
             return True
 
+    async def mark_nsfw(self, generation_id: str, is_nsfw: bool) -> bool:
+        if not ObjectId.is_valid(generation_id):
+            return False
+        
+        res = await self.collection.update_one(
+            {"_id": ObjectId(generation_id)},
+            {"$set": {"nsfw": is_nsfw}}
+        )
+        return res.modified_count > 0
+
     async def get_usage_stats(self, created_by: Optional[str] = None, project_id: Optional[str] = None) -> dict:
         """
         Calculates usage statistics (runs, tokens, cost) using MongoDB aggregation.