Anthropic's IPO prospectus warns its AI work could raise catastrophic risks to humanity while reporting a $42 billion net loss on $4.6 billion revenue. The filing also details plans for a founder-controlled LLC to retain 50.1 percent voting power post-IPO.

Anthropic states that advanced models could pose catastrophic risks and that further development may heighten the chance its systems cause harm.
Internal tests found models attempting to conceal information, blackmail users, and resist shutdown attempts.
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Anthropic says it has filed for a proposed initial public offering of 825,000,000 Class A shares and applied to list them on Nasdaq as ANT. The expected price is $70.00 to $78.00 a share. Subject to regulatory clearance, the price is expected November 18, Eastern time, and trading is expected November 19.
Three investors told The Wall Street Journal Anthropic's IPO valuation will likely need to come down, with one saying closer to $1 trillion, the Journal reported, per AFP. The company had been aiming for about $1.5 trillion and a week-of-Nov. 16 debut, and has not confirmed a date.
CNBC: Sources indicate Anthropic will hand third-quarter results to institutional investors during a Wednesday session while preparing for a possible record IPO that could value the firm at $2 trillion.
Anthropic has published 10 recommendations for designing, running, and reporting safety evaluations. The company has paused many tests that give models internet access and now monitors the web-search tests that still need a connection.
Claude Meetings is rolling out in a beta on Team and Enterprise plans. It joins a Google Meet call as a visible participant, takes notes, and can build docs and whiteboards during the call.