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> For a complete documentation index, see https://openrouter.ai/docs/llms.txt.
> For full documentation content, see https://openrouter.ai/docs/llms-full.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://openrouter.ai/docs/_mcp/server.

# CompletionTokensDetails - Python SDK

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

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   |