Jacob Coxon
Investigador de preentrenamiento que pasó tres años en OpenAI y luego en Anthropic y dimitió públicamente el 9 de septiembre de 2026, afirmando que ninguna de las dos empresas actúa con responsabilidad y que los escenarios más agresivos podrían estar fuera de control a finales de 2027.
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En el registro
9 sept 2026 · Entrevista · Fox News
This is possibly the most dangerous technology that humanity has ever created. It's basically out of science fiction. I think we have no other choice but to cooperate internationally because an arms race would be disastrous in a way that no other human activity has been in the past.
Pretraining researcher, Anthropic en aquel momento
To Bret Baier on Fox's Special Report, Wednesday 9 September, the day after he posted his resignation (Tuesday evening US time; the register dates the thread in UTC); Fox prints the passage across an attribution tag — ," he continued. " — after the first sentence, and its only "superweapon" is one word inside the reporter's own sentence.
9 sept 2026 · Entrevista · TIME
It's not like some weird, distant, far-flung concern. It is the default trajectory in the next couple of years, unless people start taking some sort of action.
Pretraining researcher, Anthropic en aquel momento
On losing control of AI, to Harry Booth of TIME the day after his resignation.
He Helped Build Powerful AI at OpenAI and Anthropic. Now He's Afraid It Could Kill Us →
9 sept 2026 · Entrevista · The Wall Street Journal
We're on track for a lot of the most aggressive of these scenarios where by the end of next year things could be out of control already.
Pretraining researcher, Anthropic en aquel momento
The Journal's interview is paywalled; the sentence is reproduced identically by Futurism, Business Standard and Yahoo News.
9 sept 2026 · Publicación · X
The people building AI earnestly believe that it could kill us all by the end of the decade. This is not a marketing stunt.
Pretraining researcher, Anthropic en aquel momento
From the same thread, as quoted by NBC Los Angeles.
Anthropic researcher resigns with warning about the dangers of AI →
9 sept 2026 · Publicación · X
I resigned from Anthropic today. I spent the last three years doing pretraining research at both OpenAI and Anthropic. Neither company is acting responsibly. They are racing straight to self-improving superintelligence and gambling with our lives.
Pretraining researcher, Anthropic en aquel momento
The first post of his resignation thread, as quoted by NBC Los Angeles; the thread is at x.com/hilbertspaess/status/2097476196791709843.
Anthropic researcher resigns with warning about the dangers of AI →