Checked fact 217522 Oct 2026Safety and security

Since 7 October 2026 GPT-6 in ChatGPT's Chat experience runs on GPT-6 Sol for the Plus, Pro, Business and Enterprise tiers and on GPT-6 Luna for the Free and Go tiers.

Toned down to what the source says

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The exact words it rests on

OpenAI October 7, 2026 [...] GPT‑6 in ChatGPT is powered by GPT‑6 Sol for Plus, Pro, Business, and Enterprise tiers, and GPT‑6 Luna for Free and Go tiers. [...] This update applies to the Chat experience in ChatGPT.

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

The source

GPT-6 and Intelligent UI for everyone
OpenAI · 2026-10-07

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Checked

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

In the story

Who is Sam Altman? 22 Oct 2026

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“Since 7 October 2026 GPT-6 in ChatGPT's Chat experience runs on GPT-6 Sol for the Plus, Pro, Business and Enterprise tiers and on GPT-6 Luna for the Free and Go tiers.” ai notis, checked 21 Oct 2026. Source: GPT-6 and Intelligent UI for everyone (OpenAI). https://ainotis.com/c/2175

As a reference (APA style)

ai notis. (2026, October 21). Since 7 October 2026 GPT-6 in ChatGPT's Chat experience runs on GPT-6 Sol for the Plus, Pro, Business and Enterprise tiers and on GPT-6 Luna for the Free and Go tiers [Checked claim 2175]. ai notis. https://ainotis.com/c/2175

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