Checked fact 211222 Oct 2026Safety and security

OpenAI released GPT-5.5 on 23 April 2026.

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The exact words it rests on

We’re releasing GPT‑5.5, our smartest and most intuitive to use model yet

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

Introducing GPT-5.5
OpenAI · 2026-04-23

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

Short permanent address

In a sentence

“OpenAI released GPT-5.5 on 23 April 2026.” ai notis, checked 21 Oct 2026. Source: Introducing GPT-5.5 (OpenAI). https://ainotis.com/c/2112

As a reference (APA style)

ai notis. (2026, October 21). OpenAI released GPT-5.5 on 23 April 2026 [Checked claim 2112]. ai notis. https://ainotis.com/c/2112

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