> ## 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.

# CompletionCreateParams - Python SDK

> CompletionCreateParams method reference

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

## Fields

| Field               | Type                                                                                                                                   | Required             | Description |
| ------------------- | -------------------------------------------------------------------------------------------------------------------------------------- | -------------------- | ----------- |
| `model`             | *Optional\[str]*                                                                                                                       | :heavy\_minus\_sign: | N/A         |
| `models`            | List\[*str*]                                                                                                                           | :heavy\_minus\_sign: | N/A         |
| `prompt`            | [components.Prompt](/client-sdks/python/components/prompt)                                                                             | :heavy\_check\_mark: | N/A         |
| `best_of`           | *OptionalNullable\[int]*                                                                                                               | :heavy\_minus\_sign: | N/A         |
| `echo`              | *OptionalNullable\[bool]*                                                                                                              | :heavy\_minus\_sign: | N/A         |
| `frequency_penalty` | *OptionalNullable\[float]*                                                                                                             | :heavy\_minus\_sign: | N/A         |
| `logit_bias`        | Dict\[str, *float*]                                                                                                                    | :heavy\_minus\_sign: | N/A         |
| `logprobs`          | *OptionalNullable\[int]*                                                                                                               | :heavy\_minus\_sign: | N/A         |
| `max_tokens`        | *OptionalNullable\[int]*                                                                                                               | :heavy\_minus\_sign: | N/A         |
| `n`                 | *OptionalNullable\[int]*                                                                                                               | :heavy\_minus\_sign: | N/A         |
| `presence_penalty`  | *OptionalNullable\[float]*                                                                                                             | :heavy\_minus\_sign: | N/A         |
| `seed`              | *OptionalNullable\[int]*                                                                                                               | :heavy\_minus\_sign: | N/A         |
| `stop`              | [OptionalNullable\[components.CompletionCreateParamsStop\]](../components/completioncreateparamsstop.md)                               | :heavy\_minus\_sign: | N/A         |
| `stream`            | *Optional\[bool]*                                                                                                                      | :heavy\_minus\_sign: | N/A         |
| `stream_options`    | [OptionalNullable\[components.StreamOptions\]](../components/streamoptions.md)                                                         | :heavy\_minus\_sign: | N/A         |
| `suffix`            | *OptionalNullable\[str]*                                                                                                               | :heavy\_minus\_sign: | N/A         |
| `temperature`       | *OptionalNullable\[float]*                                                                                                             | :heavy\_minus\_sign: | N/A         |
| `top_p`             | *OptionalNullable\[float]*                                                                                                             | :heavy\_minus\_sign: | N/A         |
| `user`              | *Optional\[str]*                                                                                                                       | :heavy\_minus\_sign: | N/A         |
| `metadata`          | Dict\[str, *str*]                                                                                                                      | :heavy\_minus\_sign: | N/A         |
| `response_format`   | [OptionalNullable\[components.CompletionCreateParamsResponseFormatUnion\]](../components/completioncreateparamsresponseformatunion.md) | :heavy\_minus\_sign: | N/A         |