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Codex Replay

ChatGPT plugin

Run independent replays in the in-app or system browser.

View in ChatGPT directory
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Movement

From our daily snapshots over the last 30 days.

Rank by placement

#2890of 6,0222places down24h11places up7d
#205#946#1,687#2,428Sep 13Sep 19Sep 25Oct 1Oct 7Oct 12

Rank in Productivity

#529of 1,3711places up24h11places up7d
#527#532#537#542Sep 13Sep 19Sep 25Oct 1Oct 7Oct 12

In its category

How this plugin compares with others in the same category. Positions are counted within the category, not across the whole directory.

Productivity529th of 1,371 by placement
#PluginPosition7d
526NivaDesk#2862174places down
527Pocket Bartender#2874171places up
528RuleFoundry#2877175places down
529Codex ReplayThis page#289011places up
530Addness#28951,059places up
531Whalesync#289697places up
532NewsTune Studio#2897146places up

All 1,371 Productivity plugins

Start an independent Codex Replay controller on an available loopback port. In both Codex Desktop and Codex CLI, prefer an available Codex in-app browser and otherwise use your system browser. Select one or more historical Claude threads, choose shared Codex models, and start their isolated implementations. Historical state and configuration are detected separately for each thread, with details available when needed. View finished comparisons individually or in aggregate while remaining threads continue. Available GPT-5.6 Sol, Terra, and Luna models are selected by default. Multiple replay sessions can run in parallel. Selection, execution, verification, evaluation, and results stay in the browser controller instead of a guided chat workflow.

Example prompts

  • “Open an independent Codex Replay controller in the available browser.”
  • “Open a new Codex Replay session so I can select and run a historical replay.”
  • “Open Codex Replay so I can review my replay runs.”

Skills

  • codex-replay

    Open an independent Codex Replay controller in the Codex in-app browser, or the system browser when no in-app opening path is available. Use whenever this plugin is invoked or the user asks to browse, configure, run, or review a replay. The browser controller owns the entire workflow; do not conduct it in chat.

Categories
Made by
OpenAI · Website
Sign-in
On Install
Capabilities
Interactive, Read, Write
Availability
Available
Version
1.0.128
Keywords
codex, replay, evaluation
Created
August 6, 2026