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Anthropic can already retrain Mythos with "a fraction of the compute originally needed," says former researcher Coxon

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Anthropic can already retrain Mythos with "a fraction of the compute originally needed," says former researcher Coxon

The Decoder · Nov 14, 2026, 11:21 AM UTC

Former OpenAI and Anthropic researcher Jacob Coxon points to a slide from Anthropic's IPO roadshow as a reason he left, saying it shows the company's algorithms are improving not just quickly but at an accelerating rate. Coxon continues to call for a pause on frontier model development so competitors can catch up and human-level AI can become a commodity.…