# CompletionTokensDetails Detailed completion token usage ## Fields | Field | Type | Required | Description | | ---------------------------- | ---------------------------- | ---------------------------- | ---------------------------- | | `reasoning_tokens` | *OptionalNullable[float]* | :heavy_minus_sign: | Tokens used for reasoning | | `audio_tokens` | *OptionalNullable[float]* | :heavy_minus_sign: | Tokens used for audio output | | `accepted_prediction_tokens` | *OptionalNullable[float]* | :heavy_minus_sign: | Accepted prediction tokens | | `rejected_prediction_tokens` | *OptionalNullable[float]* | :heavy_minus_sign: | Rejected prediction tokens |