Anthropic IPO filing, OpenAI ETH disproof — AI News Oct 27

<ul><li>Anthropic files its S-1: sixteen point three billion dollars in first-half revenue, an eighty point seven billion dollar net loss that is mostly non-cash, and more than two hundred sixty-five billion dollars in compute commitments.</li><li>OpenAI claims three science breakthroughs, including a disproof of the Exponential Time Hypothesis verified in Lean, all still awaiting independent review.</li><li>Plus: GPT-6.1 Terra at half price, Meta's ninety-five billion dollar stock sale, Entire's agent-first Git forge, and the vLLM 0.32.0 CORS change that can break browser clients.</li></ul><p>Follow AI Engineering Briefing and leave a rating — it's how new listeners find the show.</p>