Archive · 10 Sep 2026
Former Anthropic Researcher Warns AI Could Kill Humanity This Decade
Jacob Coxon is a researcher who worked at Anthropic and OpenAI.
He recently left Anthropic and shared his concerns online.
He says AI companies are moving too quickly toward very powerful systems.
Coxon believes some AI leaders privately worry that AI could seriously harm or kill people.
He says this danger could arrive by the end of the decade.
He also predicts future AI could hack many systems and change entire fields quickly.
He claims Anthropic understands these risks but is racing to build the technology first.
These statements are Coxon’s warnings and opinions, not confirmed predictions.
The articles do not include responses from Anthropic or OpenAI.
Jacob Coxon resigned from Anthropic after three years of pretraining research.
Coxon previously conducted pretraining research at both Anthropic and OpenAI.
He accused both companies of irresponsibly racing toward self-improving superintelligence.
Coxon said AI builders privately fear the technology could kill humanity by decade’s end.
He warned future systems could hack anything, transform fields rapidly, and gain real power and resources.
- Who
- Jacob Coxon, a 27-year-old researcher who worked at Anthropic and OpenAI.
- What
- Coxon resigned from Anthropic and warned that rapidly advancing AI could pose an extreme danger to humanity.
- When
- He posted his comments on Wednesday morning, according to one article; no specific date is provided.
- Where
- The articles use Texas and Washington datelines and say Coxon posted on X.
- Why
- Coxon said Anthropic and OpenAI were acting irresponsibly by racing toward self-improving superintelligence.
- Researcher
- Jacob Coxon
- Age
- 27
- Companies
- Anthropic and OpenAI
- Research area
- AI pretraining research
- Resignation
- Coxon said he resigned from Anthropic after three years there.
- Main warning
- He said AI could potentially kill humanity by the end of the decade.
- Predicted capabilities
- He said future systems could hack anything, revolutionize fields overnight, and acquire power and resources.