Checked fact 211522 Oct 2026Safety and security

On 22 September 2026 OpenAI introduced GPT-6 Sol and Luna and cut their API prices by 50% against their GPT-5.6 promotional pricing.

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The exact words it rests on

we’re expanding the GPT‑6 universe with GPT‑6 Sol and GPT‑6 Luna. ... reducing API prices for Sol and Luna by 50% compared with their GPT‑5.6 promotional pricing

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

The source

Introducing GPT-6 Sol and Luna
OpenAI · 2026-09-22

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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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In a sentence

“On 22 September 2026 OpenAI introduced GPT-6 Sol and Luna and cut their API prices by 50% against their GPT-5.6 promotional pricing.” ai notis, checked 21 Oct 2026. Source: Introducing GPT-6 Sol and Luna (OpenAI). https://ainotis.com/c/2115

As a reference (APA style)

ai notis. (2026, October 21). On 22 September 2026 OpenAI introduced GPT-6 Sol and Luna and cut their API prices by 50% against their GPT-5.6 promotional pricing [Checked claim 2115]. ai notis. https://ainotis.com/c/2115

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