diff --git a/litellm/constants.py b/litellm/constants.py
index 423cfb51d3f..b6717156c88 100644
--- a/litellm/constants.py
+++ b/litellm/constants.py
@@ -48,6 +48,10 @@ DEFAULT_REPLICATE_POLLING_DELAY_SECONDS = int(
 DEFAULT_IMAGE_TOKEN_COUNT = int(os.getenv("DEFAULT_IMAGE_TOKEN_COUNT", 250))
 DEFAULT_IMAGE_WIDTH = int(os.getenv("DEFAULT_IMAGE_WIDTH", 300))
 DEFAULT_IMAGE_HEIGHT = int(os.getenv("DEFAULT_IMAGE_HEIGHT", 300))
+# Maximum size for image URL downloads in bytes (default 50MB, set to 0 to disable limit)
+# This prevents memory issues from downloading very large images
+# maps to OpenAI 50 MB limit
+MAX_IMAGE_URL_DOWNLOAD_SIZE_MB = float(os.getenv("MAX_IMAGE_URL_DOWNLOAD_SIZE_MB", 50))
 MAX_SIZE_PER_ITEM_IN_MEMORY_CACHE_IN_KB = int(
     os.getenv("MAX_SIZE_PER_ITEM_IN_MEMORY_CACHE_IN_KB", 1024)
 )  # 1MB = 1024KB