Jacob Coxon — en el registro

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.

Cargos

2023 – 2026Pretraining researcher, OpenAIThree years of pretraining research across OpenAI and Anthropic, by his own account; left OpenAI earlier in 2026.Fuente →
2026 – 9 sept 2026Pretraining researcher, AnthropicResigned publicly, saying neither Anthropic nor OpenAI is acting responsibly.Fuente →

En el registro

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.
Anthropic Researcher Quits Over ‘Out-of-Control’ AI Fears →
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 →