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Handbook›Codex Command Master›Cmd. /voice
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Cmd. /voice

Experimental voice conversations and live transcripts on supported builds

Key takeaways

  • Experimental voice conversations and live transcripts on supported builds
  • Check the input surface and availability before using the examples below.

Purpose

Experimental voice conversations and live transcripts on supported builds

/voice

Availability

FieldValue
Input surfaceRunning CLI prompt
KindBuilt-in
StatusExperimental
Aliases—
Documented minimumNot specified
Reviewed against2026-09-22 · Codex CLI 0.155.1
Release evidencev0.155.0

Enable through /experimental on supported 0.155.0+ builds; availability is not universal across OSes or accounts.

Examples

/experimental
/voice

/voice starts experimental voice conversations with live transcripts and microphone controls.

  1. Use a supported build of CLI 0.155.0 or later.
  2. Enable voice conversations through /experimental.
  3. Run /voice and use the displayed microphone controls.

Availability is build-dependent, not guaranteed for every OS or account. If missing, inspect the installed version and /experimental list. The release does not document extra arguments or an on/off syntax, so none is assumed here.

Separately, 0.155.1 defaults reasoning summaries to disabled for new local TUI sessions while respecting explicit settings.

Effects and persistence

Starts live voice conversation, transcripts, and microphone controls on supported builds.

Cautions

Enable through /experimental on supported 0.155.0+ builds; availability is not universal across OSes or accounts.

Official sources

  • Changelog
  • Developer Commands

Complete command list · Verification scope · History for this command

Related docs

Cmd. /experimental

Toggle experimental Codex features from the TUI.

Cmd. /status

Inspect session configuration, token usage, model, and policy.

Cmd. /release-notes

Claude Code Command Master · Displays selected release notes in the transcript without adding them to model conversation context.

Cmd. /fewer-permission-prompts

Claude Code Command Master · Propose a read-only allowlist from transcripts (skill).

Cmd. /export

Claude Code Command Master · Copy or save the current conversation as plain text.

Cmd. /pets

Choose or hide an ambient terminal pet in the Codex TUI.

Cmd. /worktree

Run new or forked sessions in isolated Git checkouts

On this page

PurposeAvailabilityExamplesEffects and persistenceCautionsOfficial sources