Anthropic's amended IPO filing shows compute taking 58 percent of revenue last quarter, up from 48, with revenue per dollar of compute down to 1.72x - and Broadcom agreeing to absorb up to $43BN of losses if Anthropic defaults on its $63BN chip lease.

Potential investors doubt Anthropic can run next week's roadshow and still list in November, want a bigger discount on the $1.5TN valuation, and are waiting on an October revenue figure the amended S-1 left blank.

Published the morning after voters blocked data centers in nearly 40 jurisdictions: OpenAI will pay the full cost of power, publish site-level water and electricity use, commission independent noise studies and stop asking public officials to sign NDAs - at campuses it owns and operates.