Anthropic, now atop the AI bubble, files for its IPO
Anthropic just filed for IPO—beating OpenAI to public markets and cementing its $500B+ valuation as the AI industry's highest.

Why it matters
Anthropic's IPO filing marks a watershed moment for AI venture economics: the first major frontier lab to go public, with implications for how AI infrastructure capital flows and whether the current $200B+ AI funding cycle sustains post-IPO.
The key facts
5 to knowAnthropic IPO filing (June 2026)
Anthropic valuation exceeds OpenAI's
First major frontier lab to file for IPO
Beats OpenAI to public markets
Signals maturation of AI venture ecosystem
Go to the source
The Register AI/MLtheregister.com
Publisher excerpt: First it tops OpenAI's valuation, then it beats Altman to the IPO punch