---
title: Reasoning
description: The dim italic summary Codex shows while it reasons.
---

<Component path="codex/examples/codex-reasoning" />

<RegistryInstall name="codex-reasoning" />

`CodexReasoning` is a dim bullet and a bold italic summary line, the way Codex surfaces a reasoning step between tool calls. It renders a `div` and takes all of its props.

| Prop | Default | Description |
| --- | --- | --- |
| `children` | | The reasoning summary. |

## Used in

**[Codex](/blocks/codex)**

A full recreation of an OpenAI Codex CLI session, from the banner to the pinned prompt.