| id |
string |
A unique identifier for the chat completion. Prefixed with chatcmpl-. |
| object |
string |
The object type, which is always chat.completion. |
| created |
integer |
The Unix timestamp (in seconds) of when the chat completion was created. |
| model |
string |
The model used for the chat completion (e.g., gpt-5, gpt-4.1, o4-mini). |
| system_fingerprint |
stringnull |
This fingerprint represents the backend configuration that the model runs with. Can be used in conjunction with the seed request parameter to understand when backend changes have been made that might |
| service_tier |
stringnull |
The service tier used for processing the request. This field is only included if the service_tier parameter is specified in the request. |
| choices |
array |
A list of chat completion choices. Can be more than one if n is greater than 1. |
| usage |
object |
|