From 327599bc3d158b08e8c7381d0004d6324dae85ef Mon Sep 17 00:00:00 2001
From: lif <1835304752@qq.com>
Date: Thu, 18 Dec 2025 00:10:53 +0800
Subject: [PATCH] docs: use smaller image URL in vision example

Fixes #2776

The original image URL (1599px) was too large and caused a 400 error
when the API tried to download it. Changed to a smaller 640px version
which works correctly.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b8050a4cd6..ce69ac0280 100644
--- a/README.md
+++ b/README.md
@@ -77,7 +77,7 @@ With an image URL:
 
 ```python
 prompt = "What is in this image?"
-img_url = "https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/2023_06_08_Raccoon1.jpg/1599px-2023_06_08_Raccoon1.jpg"
+img_url = "https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/2023_06_08_Raccoon1.jpg/640px-2023_06_08_Raccoon1.jpg"
 
 response = client.responses.create(
     model="gpt-4o-mini",