> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# CompletionTokensDetails - Python SDK

> CompletionTokensDetails method reference

<Warning>
  The Python SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues).
</Warning>

Detailed completion token usage

## Fields

| Field                        | Type                     | Required             | Description                  |
| ---------------------------- | ------------------------ | -------------------- | ---------------------------- |
| `accepted_prediction_tokens` | *OptionalNullable\[int]* | :heavy\_minus\_sign: | Accepted prediction tokens   |
| `audio_tokens`               | *OptionalNullable\[int]* | :heavy\_minus\_sign: | Tokens used for audio output |
| `reasoning_tokens`           | *OptionalNullable\[int]* | :heavy\_minus\_sign: | Tokens used for reasoning    |
| `rejected_prediction_tokens` | *OptionalNullable\[int]* | :heavy\_minus\_sign: | Rejected prediction tokens   |