Optionalencrypted_The encrypted content of the reasoning item - populated when a response is
generated with reasoning.encrypted_content in the include parameter.
The unique identifier of the reasoning content.
OptionalstatusThe status of the item. One of in_progress, completed, or incomplete.
Populated when items are returned via API.
Reasoning text contents.
The type of the object. Always reasoning.
A description of the chain of thought used by a reasoning model while generating a response. Be sure to include these items in your
inputto the Responses API for subsequent turns of a conversation if you are manually managing context.