Checked fact 43148 Nov 2026Agents and apps

OpenAI says that anyone who has browsed files or reviewed a change in the Codex app has already used Pierre's Trees and Diffs libraries.

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The exact words it rests on

If you’ve browsed files or reviewed a change in the Codex app, you’ve already used Pierre’s Trees and Diffs libraries.

What the source said when we opened it, on 8 Nov 2026.

The source

OpenAI to acquire Pierre Computer Company, Inc.
OpenAI · 2026-11-04

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Checked

Checked by the notis newsroom on 8 Nov 2026, against the source above.

In the story

OpenAI to acquire Pierre, whose Trees and Diffs libraries run in Codex 8 Nov 2026

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“OpenAI says that anyone who has browsed files or reviewed a change in the Codex app has already used Pierre's Trees and Diffs libraries.” ai notis, checked 8 Nov 2026. Source: OpenAI to acquire Pierre Computer Company, Inc. (OpenAI). https://ainotis.com/c/4314

As a reference (APA style)

ai notis. (2026, November 8). OpenAI says that anyone who has browsed files or reviewed a change in the Codex app has already used Pierre's Trees and Diffs libraries [Checked claim 4314]. ai notis. https://ainotis.com/c/4314

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