# ChatGenerationParams


## Fields

| Field                                                                                                                    | Type                                                                                                                     | Required                                                                                                                 | Description                                                                                                              |
| ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------ |
| `messages`                                                                                                               | List[[components.Message](../components/message.md)]                                                                     | :heavy_check_mark:                                                                                                       | N/A                                                                                                                      |
| `model`                                                                                                                  | *Optional[str]*                                                                                                          | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `models`                                                                                                                 | List[*str*]                                                                                                              | :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[bool]*                                                                                                 | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `top_logprobs`                                                                                                           | *OptionalNullable[float]*                                                                                                | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `max_completion_tokens`                                                                                                  | *OptionalNullable[float]*                                                                                                | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `max_tokens`                                                                                                             | *OptionalNullable[float]*                                                                                                | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `metadata`                                                                                                               | Dict[str, *str*]                                                                                                         | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `presence_penalty`                                                                                                       | *OptionalNullable[float]*                                                                                                | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `reasoning`                                                                                                              | [Optional[components.Reasoning]](../components/reasoning.md)                                                             | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `response_format`                                                                                                        | [Optional[components.ChatGenerationParamsResponseFormatUnion]](../components/chatgenerationparamsresponseformatunion.md) | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `seed`                                                                                                                   | *OptionalNullable[int]*                                                                                                  | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `stop`                                                                                                                   | [OptionalNullable[components.ChatGenerationParamsStop]](../components/chatgenerationparamsstop.md)                       | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `stream`                                                                                                                 | *Optional[bool]*                                                                                                         | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `stream_options`                                                                                                         | [OptionalNullable[components.ChatStreamOptions]](../components/chatstreamoptions.md)                                     | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `temperature`                                                                                                            | *OptionalNullable[float]*                                                                                                | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `tool_choice`                                                                                                            | *Optional[Any]*                                                                                                          | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `tools`                                                                                                                  | List[[components.ToolDefinitionJSON](../components/tooldefinitionjson.md)]                                               | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `top_p`                                                                                                                  | *OptionalNullable[float]*                                                                                                | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `user`                                                                                                                   | *Optional[str]*                                                                                                          | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |
| `debug`                                                                                                                  | [Optional[components.Debug]](../components/debug.md)                                                                     | :heavy_minus_sign:                                                                                                       | N/A                                                                                                                      |