~ cat ~/.codex/config.toml
model = "gpt-5.5"
model_provider = "custom"
model_reasoning_effort = "medium"
disable_response_storage = true
[model_providers.custom]
name = "custom"
base_url = "
https://hyperapi.cc/v1"
wire_api = "responses"
看下你的配置文件,是不是这样的。