Completion Object - Crazyrouter API Document

Represents a completion response object returned by the API. Note: the streamed and non-streamed response objects share the same structure (unlike the chat endpoint).

Parameter	Type	Description
id	string	Unique identifier for the completion
choices	array	List of completion choices the model generated for the input prompt
created	integer	Unix timestamp (in seconds) of when the completion was created
model	string	The model used for the completion
system_fingerprint	string	This fingerprint represents the backend configuration the model runs with
object	string	The object type, always "text_completion"
usage	object	Usage statistics for the completion request
completion_tokens	integer	Number of tokens in the generated completion
prompt_tokens	integer	Number of tokens in the prompt
total_tokens	integer	Total number of tokens used in the request (prompt + completion)

{
  "id": "cmpl-uqkvlQyYK7bGYrRHQ0eXlWi7",
  "object": "text_completion",
  "created": 1589478378,
  "model": "gpt-3.5-turbo",
  "choices": [
    {
      "text": "\n\nThis is indeed a test",
      "index": 0,
      "logprobs": null,
      "finish_reason": "length"
    }
  ],
  "usage": {
    "prompt_tokens": 5,
    "completion_tokens": 7,
    "total_tokens": 12
  }
}

Note: the catalog currently has no completions-only model (gpt-3.5-turbo-instruct has been retired). For new integrations, use /v1/chat/completions or /v1/responses.

Last verified/modified: 2026-09-28 (added note that there is currently no completions-only model)