diff --git a/aider/sendchat.py b/aider/sendchat.py
index b1496488c..d5e62d97f 100644
--- a/aider/sendchat.py
+++ b/aider/sendchat.py
@@ -42,18 +42,19 @@ def send_with_retries(client, model_name, messages, functions, stream):
         kwargs["functions"] = functions
 
     # Check conditions to switch to gpt-4-vision-preview or strip out image_url messages
-    if client and model_name.startswith("gpt-4"):
-        if client.base_url.host != "api.openai.com":
-            if any(isinstance(msg.get("content"), list) and any("image_url" in item for item in msg.get("content") if isinstance(item, dict)) for msg in messages):
-                kwargs['model'] = "gpt-4-vision-preview"
-                # gpt-4-vision is limited to max tokens of 4096
-                kwargs["max_tokens"] = 4096
-        else:
-            # Strip out any image_url messages if not using gpt-4-vision-preview
-            messages = [
-                {k: v for k, v in msg.items() if k != "content" or not any(isinstance(item, dict) and "image_url" in item for item in v)}
-                for msg in messages if isinstance(msg.get("content"), list)
-            ] + [msg for msg in messages if not isinstance(msg.get("content"), list)]
+    if client and model_name.startswith("gpt-4") and "api.openai.com" in client.base_url.host:
+        print('switch model')
+        if any(isinstance(msg.get("content"), list) and any("image_url" in item for item in msg.get("content") if isinstance(item, dict)) for msg in messages):
+            kwargs['model'] = "gpt-4-vision-preview"
+            # gpt-4-vision is limited to max tokens of 4096
+            kwargs["max_tokens"] = 4096
+    else:
+        # Strip out any image_url messages if not using gpt-4-vision-preview
+        print('strip img')
+        messages = [
+            {k: v for k, v in msg.items() if k != "content" or not any(isinstance(item, dict) and "image_url" in item for item in v)}
+            for msg in messages if isinstance(msg.get("content"), list)
+        ] + [msg for msg in messages if not isinstance(msg.get("content"), list)]
 
     key = json.dumps(kwargs, sort_keys=True).encode()