Commands

/reasoning

Chooses the reasoning effort.

Usage

/reasoning

When to use it

When you want to match effort to difficulty.

Source: https://learn.chatgpt.com/docs/reference/slash-commands

Related

/modelChooses the model.CodexCommands/fastChooses the fast service tier.CodexCommands

More Codex commands

/goalSets, edits, pauses or clears a persistent goal.Commands/planMakes a plan before any implementation.Commands/reviewReviews code in your working tree or against a base branch.Commands/statusShows the model, approval policy, writable paths and token usage.Commands/initCreates an AGENTS.md template.Commands/mcpLists the configured MCP tools.Commands
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