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OpenAI to acquire Pierre, whose Trees and Diffs libraries run in Codex
The deal, announced 4 November, is subject to closing conditions including regulatory approval. OpenAI gives no price.
Check our sources · 6 facts from 1 sourceOpenAI said on 4 November 2026 that it will acquire Pierre Computer Company, the company behind Code Storage and a family of open-source developer tools. The post gives no price.
OpenAI says Codex users have already used Pierre's Trees and Diffs libraries when browsing files or reviewing a change. Code Storage is a service that lets apps store code and track its history using Git.
The closing is subject to customary conditions, including regulatory approvals, and the two companies stay separate until then. OpenAI says Pierre's open-source projects will remain open source and that customers can keep using Code Storage after the acquisition closes.
Underlined sentences link to the facts we checked. Dotted words open a short explainer.
Fact 3 of 6 · from OpenAI, 4 Nov 2026
If you’ve browsed files or reviewed a change in the Codex app, you’ve already used Pierre’s Trees and Diffs libraries.
Fact 4 of 6 · from OpenAI, 4 Nov 2026
a service that lets apps store code and track its history using Git
Fact 6 of 6 · from OpenAI, 4 Nov 2026
Pierre’s open-source projects will remain open-source, and we’ll continue to contribute to them. Customers can continue using Code Storage after the acquisition closes
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Check our sources
Every sentence above is checked against this source.
1 OpenAI to acquire Pierre Computer Company, Inc.
Open the source archived copy-
OpenAI's post of 4 November 2026 announces that OpenAI will acquire Pierre Computer Company, Inc., the company behind Code Storage and a family of open-source developer tools.
citeToday we're announcing that OpenAI will acquire Pierre Computer Company, Inc
-
The post does not state a purchase price.
citeToday we're announcing that OpenAI will acquire Pierre Computer Company, Inc
-
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.
citeIf you’ve browsed files or reviewed a change in the Codex app, you’ve already used Pierre’s Trees and Diffs libraries.
-
The post describes Code Storage as a service that lets apps store code and track its history using Git.
citea service that lets apps store code and track its history using Git
-
OpenAI says the closing is subject to customary closing conditions, including receipt of regulatory approvals, and that until closing OpenAI and Pierre remain separate and independent companies.
citeUntil closing, OpenAI and Pierre will remain separate and independent companies.
-
OpenAI says Pierre's open-source projects will remain open-source and customers can continue using Code Storage after the acquisition closes.
citePierre’s open-source projects will remain open-source, and we’ll continue to contribute to them. Customers can continue using Code Storage after the acquisition closes
Every sentence above is checked against this source. Each fact has its own address you can cite.
Source 1 · OpenAI · 4 Nov 2026
OpenAI to acquire Pierre Computer Company, Inc.
OpenAI's post of 4 November 2026 announces that OpenAI will acquire Pierre Computer Company, Inc., the company behind Code Storage and a family of open-source developer tools.
Today we're announcing that OpenAI will acquire Pierre Computer Company, Inc
The post does not state a purchase price.
Today we're announcing that OpenAI will acquire Pierre Computer Company, Inc
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.
If you’ve browsed files or reviewed a change in the Codex app, you’ve already used Pierre’s Trees and Diffs libraries.
Show all 6 factsShow fewer facts
The post describes Code Storage as a service that lets apps store code and track its history using Git.
a service that lets apps store code and track its history using Git
OpenAI says the closing is subject to customary closing conditions, including receipt of regulatory approvals, and that until closing OpenAI and Pierre remain separate and independent companies.
Until closing, OpenAI and Pierre will remain separate and independent companies.
OpenAI says Pierre's open-source projects will remain open-source and customers can continue using Code Storage after the acquisition closes.
Pierre’s open-source projects will remain open-source, and we’ll continue to contribute to them. Customers can continue using Code Storage after the acquisition closes
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