diff --git a/main.py b/main.py
index c18ae9a..2f69a6b 100644
--- a/main.py
+++ b/main.py
@@ -836,6 +836,7 @@ async def process_request(request: Union[RequestModel, ImageGenerationRequest, A
     and "gpt" not in original_model \
     and "o1" not in original_model \
     and "gemini" not in original_model \
+    and "grok" not in original_model \
     and parsed_url.netloc != 'api.cloudflare.com' \
     and parsed_url.netloc != 'api.cohere.com':
         engine = "openrouter"
diff --git a/request.py b/request.py
index f19efda..abe6d81 100644
--- a/request.py
+++ b/request.py
@@ -78,7 +78,7 @@ async def get_image_message(base64_image, engine = None):
     semicolon_index = base64_image.index(";")
     image_type = base64_image[colon_index + 1:semicolon_index]
 
-    if "gpt" == engine:
+    if "gpt" == engine or "openrouter" == engine:
         return {
             "type": "image_url",
             "image_url": {