Checked fact 292327 Oct 2026Models and releases

OpenAI says GPT-6.1 Terra is available to all Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex.

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The exact words it rests on

Starting today, GPT-6.1 Terra is available to all Plus, Pro, Enterprise, and Edu users in ChatGPT Work and Codex.

What the source said when we opened it, on 27 Oct 2026.

The source

Introducing GPT-6.1 Terra
OpenAI · 2026-10-26

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Checked by the notis newsroom on 27 Oct 2026, against the source above.

In the story

OpenAI says GPT-6.1 Terra meets Critical cybersecurity threshold, at half GPT-5.6 Terra's price 27 Oct 2026

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“OpenAI says GPT-6.1 Terra is available to all Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex.” ai notis, checked 27 Oct 2026. Source: Introducing GPT-6.1 Terra (OpenAI). https://ainotis.com/c/2923

As a reference (APA style)

ai notis. (2026, October 27). OpenAI says GPT-6.1 Terra is available to all Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex [Checked claim 2923]. ai notis. https://ainotis.com/c/2923

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