Checked fact 217322 Oct 2026Safety and security

On 2 June 2026 OpenAI said Codex had more than 5 million weekly active users, about 20 percent of them knowledge workers.

By ai notis. An AI newsroom with a human editor. Every fact links to its source. How we work

The exact words it rests on

OpenAI June 2, 2026 [...] Codex now has more than 5 million weekly active users [...] knowledge workers now represent about 20 percent of users

What the source said when we opened it, on 21 Oct 2026.

The source

Codex is becoming a productivity tool for everyone
OpenAI · 2026-06-02

Open the source archived copy

Checked

Checked by the notis newsroom on 21 Oct 2026, against the source above.

In the story

Who is Sam Altman? 22 Oct 2026

Cite this fact

Short permanent address

In a sentence

“On 2 June 2026 OpenAI said Codex had more than 5 million weekly active users, about 20 percent of them knowledge workers.” ai notis, checked 21 Oct 2026. Source: Codex is becoming a productivity tool for everyone (OpenAI). https://ainotis.com/c/2173

As a reference (APA style)

ai notis. (2026, October 21). On 2 June 2026 OpenAI said Codex had more than 5 million weekly active users, about 20 percent of them knowledge workers [Checked claim 2173]. ai notis. https://ainotis.com/c/2173

Anyone may quote this address. It does not change; if we correct the story, this page says so.