Anthropic Files for IPO, Ahead of OpenAI

3 days ago·Updated 2 days ago

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Above: **Watermarked Getty Image. Kindly Replace** The Anthropic logo on a smartphone screen, and a stock exchange curve chart displays as the background on a laptop computer screen in Athens, Greece, on May 29, 2026. Image credit: Nikolas Kokovlis/NurPhoto/Getty Images

The Spin

Anthropic just seized the AI narrative with a confidential IPO filing, giving public markets a first real crack at valuing frontier models. Disclosure and discipline can turbocharge growth, credibility and enterprise adoption. By setting the first benchmark at a $965 billion scale, Anthropic pressures OpenAI to follow on Anthropic’s terms.

U.S.A.I on X

Abhinav's Substack on Substack

Anthropic looks less like a public-interest lab and more like a closed platform sharpening margins ahead of an IPO. Subscription perks get carved up, third-party access gets walled off and government deals and massive GPU buys demand tighter monetization. A near-$950 billion tag with far smaller revenue signals bubble risk.

Reflection on X Vincent Schmalbach

Metaculus Prediction

There is an 84.2% chance Claude Mythos or a similar model will be publicly released before September 2026, according to the Metaculus prediction community.