Jacob Coxon
Researcher · EngineerCoxon helped train GPT-4o and was a core research contributor to GPT-4.5 at OpenAI. His research also explores making neural networks easier to understand by simplifying their internal connections. In 2026, he left Anthropic over concerns about the race toward self-improving AI.
Recent move · Sep 9Jacob Coxon resigns from Anthropic over the race toward self-improving AIRead the sourced update View full profile




