Jacob Coxon, a researcher who spent three years working on model pretraining at Anthropic and OpenAI, resigned on Tuesday, September 9, 2026, issuing stark warnings about the existential risks posed by advanced artificial intelligence.
Earlier reports mentioning Jacob Coxon
While the discourse surrounding Artificial Intelligence (AI) often focuses on the potential existential threat of "self-improving superintelligence," as warned by AI researcher Jacob Coxon on X, a more immediate and tangible danger is emerging from the very infrastructure powering AI's…
Anthropic researcher Jacob Coxon, aged 27, announced his resignation from the artificial intelligence industry yesterday, expressing profound concerns about the safety of advanced AI development. Coxon, who previously worked at OpenAI between 2023 and 2026, accused his former employers…
AI researcher Jacob Coxon, who claims to have worked at both OpenAI and Anthropic for three years, has published a viral post on X detailing his resignation from Anthropic due to concerns about the rapid, irresponsible development of artificial intelligence.
Jacob Coxon, an AI researcher at Anthropic who was involved in training new AI models, has resigned from the company, issuing a stark warning about the trajectory of artificial intelligence development.