Twitter/X

BLACKBOX AI announced "Claudex Mode" on 2026-02-26, a Blackbox CLI feature that…

Brief

BLACKBOX AI’s new Claudex Mode is a multi-model coding workflow in Blackbox CLI that puts Claude Code and Codex on a shared task, with one model generating code and the other checking and testing it. The quote-tweet by @pipelineabuser highlights the idea as AI agents iterating against each other to improve code quality and reacts with alarmed humor.

Why it matters

BLACKBOX AI announced "Claudex Mode" on 2026-02-26, a Blackbox CLI feature that pairs Claude Code and Codex on the same coding task.

Key details

  • The workflow BLACKBOX AI describes assigns Claude Code to implement code while Codex verifies and tests it, with additional collaboration modes available in the CLI.
  • @pipelineabuser framed the release as "AIs argue with each other until the code is perfect," reacting with skepticism and the comment "we're cooked."
Source evidence

title: @pipelineabuser: bro they made the AIs argue with each other until the code is perfect lmao

we're cooked

BLACKBOX ...
author: @pipelineabuser
contenttype: tweet
publication: Twitter/X
published: 2026-02-26T01:00:38+00:00
source
url: https://x.com/pipelineabuser/status/2026824694234755259

word_count: 87

bro they made the AIs argue with each other until the code is perfect lmao

we're cooked

BLACKBOX AI (@blackboxai)

New Release: Claudex Mode

For the first time in mankind claude code and codex will be on the same team

On the Blackbox CLI you can send the same task for Claude Code to implement and Codex to verify and test.

You can choose more ways where they can collaborate on the same task to get the highest level of performance on your tasks

Video

— https://nitter.net/blackboxai/status/2026184453484327020#m