Anthropic’s Secret Mythos Model Leaks, Altman vs Amodei’s Decade-Long Feud, Anthropic Wins in Court
Today we’re covering the biggest AI stories of March 30th, 2026. Anthropic accidentally leaked details of its next flagship model called Claude Mythos through a CMS error — with the draft blog describing it as a new tier above Opus with cyber capabilities the company calls “far ahead of anything else available,” drawing comparisons to OpenAI’s own mysteriously timed pre-launch leaks. The WSJ published a deep dive into the decade-long personal feud between Sam Altman and Dario Amodei — tracing it back to a 2016 San Francisco group house, with leaked Slack messages, accusations of plotting, and…
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