Checked fact 42418 Nov 2026Safety and security

Brian Grinstead says in the video that, in early testing, GPT-6 Cyber 'not only identified novel vulnerabilities, but it worked efficiently' (0:24).

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00:24 and hard to find. In early testing, GPT6 / 00:26 Cyber not only identified novel / 00:29 vulnerabilities, but it worked / 00:30 efficiently

What the source said when we opened it, on 8 Nov 2026.

The source

Brian Grinstead on GPT-6 Cyber and Firefox (OpenAI video)
OpenAI · 2026-11-05

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Checked by the notis newsroom on 8 Nov 2026, against the source above.

In the story

GPT-6 Cyber found novel Firefox bugs and helped land fixes, Mozilla's Grinstead says 8 Nov 2026

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“Brian Grinstead says in the video that, in early testing, GPT-6 Cyber 'not only identified novel vulnerabilities, but it worked efficiently' (0:24).” ai notis, checked 8 Nov 2026. Source: Brian Grinstead on GPT-6 Cyber and Firefox (OpenAI video) (OpenAI). https://ainotis.com/c/4241

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ai notis. (2026, November 8). Brian Grinstead says in the video that, in early testing, GPT-6 Cyber 'not only identified novel vulnerabilities, but it worked efficiently' (0:24) [Checked claim 4241]. ai notis. https://ainotis.com/c/4241

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