---
title: "ChatTokenLogprob"
---

Token log probability information


## Fields

| Field                                                                                      | Type                                                                                       | Required                                                                                   | Description                                                                                |
| ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ |
| `bytes_`                                                                                   | List[*int*]                                                                                | :heavy_check_mark:                                                                         | UTF-8 bytes of the token                                                                   |
| `logprob`                                                                                  | *float*                                                                                    | :heavy_check_mark:                                                                         | Log probability of the token                                                               |
| `token`                                                                                    | *str*                                                                                      | :heavy_check_mark:                                                                         | The token                                                                                  |
| `top_logprobs`                                                                             | List[[components.ChatTokenLogprobTopLogprob](../components/chattokenlogprobtoplogprob.mdx)] | :heavy_check_mark:                                                                         | Top alternative tokens with probabilities                                                  |