From 20ae67a3ba36b1dc7e8d67c638762d013596c7ee Mon Sep 17 00:00:00 2001
From: Cesar Garcia <128240629+Chesars@users.noreply.github.com>
Date: Fri, 13 Feb 2026 01:39:55 -0300
Subject: [PATCH] fix(vertex): map IMAGE_PROHIBITED_CONTENT finish reason to
 content_filter (#20524)

Closes #20357
---
 .../llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py b/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py
index 04ae4b6beb8..ad046cf7109 100644
--- a/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py
+++ b/litellm/llms/vertex_ai/gemini/vertex_and_google_ai_studio_gemini.py
@@ -1196,6 +1196,7 @@ class VertexGeminiConfig(VertexAIBaseConfig, BaseConfig):
             "PROHIBITED_CONTENT": "The token generation was stopped as the response was flagged for the prohibited contents.",
             "SPII": "The token generation was stopped as the response was flagged for Sensitive Personally Identifiable Information (SPII) contents.",
             "IMAGE_SAFETY": "The token generation was stopped as the response was flagged for image safety reasons.",
+            "IMAGE_PROHIBITED_CONTENT": "The token generation was stopped as the response was flagged for prohibited image content.",
         }
 
     @staticmethod
@@ -1218,6 +1219,7 @@ class VertexGeminiConfig(VertexAIBaseConfig, BaseConfig):
             "SPII": "content_filter",
             "MALFORMED_FUNCTION_CALL": "malformed_function_call",  # openai doesn't have a way of representing this
             "IMAGE_SAFETY": "content_filter",
+            "IMAGE_PROHIBITED_CONTENT": "content_filter",
         }
 
     def translate_exception_str(self, exception_string: str):