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Former Anthropic and OpenAI Researcher Jacob Coxon Resigns

This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.

Another week, another high-profile exit from a frontier AI lab. But this one is different in a way that matters for anyone who builds, deploys, or depends on large language models. Jacob Coxon, a 27-year-old pretraining researcher, announced late Tuesday that he has resigned from Anthropic and is l…

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  1. 2026-09-09 15:31 · DEV Community — AI
    Former Anthropic and OpenAI Researcher Jacob Coxon Resigns

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