When using 3rd party's new gpt model (5.4 and 5.3), it shows as follows,but other models are fine, and when I changed the api path, all failed.

"error": {

"message": "Model 'gpt-5.4' only supports the /v1/responses endpoint. Please use /v1/responses instead.",

"type": "invalid_request_error",

"param": "",

"code": "unsuppor...