Daily Briefing: Sworn Testimony Rewrites the OpenAI Origin Story

Day-by-day testimony in the Musk v. Altman trial is producing the most detailed public record of OpenAI's internal dynamics ever. Altman testified under oath that Musk proposed giving control of OpenAI to his children and demanded researchers be ranked with a 'chainsaw.' Separately, Ilya Sutskever — who led the November 2023 board action — testified he tried to oust Altman because he believed OpenAI was at risk of being destroyed. These aren't leaks or background quotes — they're sworn testimony establishing the factual record of how the most important AI company's governance was shaped by personal conflict. The episode also covers OpenAI's Mythos cybersecurity claims, Cerebras's $5.5B IPO, xAI's compute partnership with Anthropic, and Anthropic's interpretability findi ...