Jacob Coxon quits Anthropic after 3 months, leaving big money behind on principle

DKokotajlo · x · 2026-09-10

Multiple former OpenAI colleagues confirm that Jacob Coxon, a former OpenAI resident, has resigned from Anthropic after just three months, at 'great financial cost' (reportedly forfeited equity). Will Depue, who started at OpenAI the same time, calls him deeply thoughtful and respects the decision; others say his convictions drove both the joining and the exit. The exact reason isn't stated, but the move is being read in light of ongoing Anthropic controversies.

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