openai: use auto vision level

matrix_gpt/generate_clients/openai.py

@@ -25,6 +25,10 @@ class OpenAIClient(ApiClient):
         self._context.append({'role': role, 'content': content})
 
     async def append_img(self, img_event: RoomMessageImage, role: str):
+        """
+        We crop the largest dimension of the image to 512px and then let the AI decide
+        if it should use low or high res analysis.
+        """
         assert role in [self._HUMAN_NAME, self._BOT_NAME]
         img_bytes = await download_mxc(img_event.url, self._client_helper.client)
         encoded_image = await process_image(img_bytes, resize_px=512)
@@ -34,7 +38,7 @@ class OpenAIClient(ApiClient):
                 'type': 'image_url',
                 'image_url': {
                     'url': f"data:image/png;base64,{encoded_image}",
-                    'detail': 'low'
+                    'detail': 'auto'
                 }
             }]
         })