Usage statistics for the completion request.
| Property | Type | Description |
|---|---|---|
| completion_tokens | Integer | Number of tokens in the generated completion. |
| completion_tokens_details | Completion_Usage_Completion_Details | Breakdown of tokens used in the completion. |
| prompt_cache_hit_tokens | Integer | Number of tokens in the prompt that hit the context cache. |
| prompt_cache_miss_tokens | Integer | Number of tokens in the prompt that missed the context cache. |
| prompt_tokens | Integer | Number of tokens in the prompt. |
| prompt_tokens_details | Completion_Usage_Prompt_Details | Breakdown of tokens used in the prompt. |
| total_tokens | Integer | Total number of tokens used in the request (prompt + completion). |