Anthropic told investors it turned its first profit as OpenAI races to raise $30 billion

A profit arrived, and the price came down the same week

AnthropicPVT$350B — Anthropic, private, latest valuation $350B told prospective investors on October 14 that third-quarter revenue reached $16.8 billion↗, up 45% from $11.6 billion in the second quarter, and that the company turned its first profit ¹. The reception was cooler than the print: with sequential growth slowing from 147% to 45%, some existing and prospective investors now favor an IPO valuation near $1.5 trillion rather than the roughly $2 trillion the company sought↗ ¹². The listing is expected in mid-November↗ ².

What the quarter actually carries

The quarterly path runs $4.7 billion, $11.6 billion, $16.8 billion, and one attendee said Anthropic expects a $110 billion annual run rate by year end ¹³. The third quarter alone annualizes to about $67 billion. Against that earned revenue sits a stack of paper: at least $518 billion of pledged compute and infrastructure commitments over roughly a decade ³, a second $45 billion contract in negotiation↗ with data-center firm Nscale after Microsoft▼−0.30% — Microsoft, down 0.30 percent today exited its UK site on grid-power delays, and Nscale investors countering its $30 billion IPO ask at $16-19 billion ⁴. Kroll Bond Rating Agency rates portions of Anthropic's chip debt one notch below investment grade ². A profitable tenant is worth more than a fast-growing one on a 15-year lease. The question is what the profit is made of.

The small print on the profit

Anthropic has not disclosed how the adjusted profit is calculated, and it is unclear whether the $16.8 billion counts gross sales through cloud partners or the net amount Anthropic keeps ³. OpenAIPVT$1.18T — OpenAI, private, latest valuation $1.18T has accused Anthropic of inflating its figures by counting the full value of contracts sold through outside cloud providers; Anthropic's answer is that it follows established accounting practices ². Adjusted measures exclude whatever the company decides to exclude, and the company chooses which costs to leave out ³.

The bull case has numbers too

Investor Gavin Baker counts positive free cash flow, accelerating October growth and unit economics much better than expected, with 75% of compute spending going toward training ¹. Anthropic raised $65 billion in May at a $965 billion post-money valuation, above the $852 billion OpenAI fetched in March, and OpenAI is pushing to close a $30 billion round above $1.4 trillion before the yardstick starts trading↗ ⁵². OpenAI pitched investors an annualized revenue of $50 billion now, $70 billion by end-2026 ².

The compute it gives away

The same record contains a live test of the profit question. A five-person investment research team spent three months on Anthropic's internal model↗: 300-plus sub-agents on 300-plus concurrent GPUs overnight, just over 10,000 H100 GPU-hours, about $50,000 of compute, and Anthropic agreed to cover that bill ⁶. The output: 211 designs synthesized, 35 design-toxin pairs hit, 17 binders passing across four of five scorpion toxins, none binding all five ⁶. Anthropic published the wider research: 1,320 designs across 15 protein targets produced 354 confirmed binders↗, a hit rate roughly double the industry's 10-15% baseline, on access Anthropic restricts as dual-use ⁷. How much of profitable survives an honest meter for the compute it gives away is what the prospectus will have to say.

The S-1 will have to answer

The draft registration filed confidentially on June 1 must show the profit's method, the revenue basis and the cost of the free compute ²⁵. Nscale's IPO pricing and OpenAI's $30 billion close are two more readings of the same number. The market now owns a profitable frontier lab, and every private mark set before this week has to answer to it. Deep dive into the sources below for the full record.