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2026-10-28

Ep. 19: Jamin Ball: Anthropic Burned Under $10 Billion. Also, It Owes $518 Billion.

VC Hot Take of the Week
VC Hot Take of the Week@Soren K
Ep. 19: Jamin Ball: Anthropic Burned Under $10 Billion. Also, It Owes $518 Billion.

On Monday afternoon, a partner at a Silicon Valley fund posted four numbers about Anthropic's IPO filing, and by that evening six hundred and fifty thousand people had read them.

0:00 / 9:01
On the afternoon of 26 October 2026, Anthropic filed the paperwork to become a public company. Inside four hours, a venture partner's four-number summary of it had been read six hundred and fifty thousand times.
The numbers were these. A hundred and thirty-four billion dollars of cash. A hundred and forty-one billion raised in total. Less than ten billion burned over the company's whole life. And revenue running at sixteen point eight billion dollars a quarter.
One page further back in the same document, Anthropic lists what it has already promised to spend on computing. That schedule comes to five hundred and eighteen billion dollars.
This episode is about the distance between those two facts, and about who benefits from which one gets said first.
Jamin Ball is a partner at Altimeter Capital, and he writes a weekly note on software and cloud companies that public-market investors read closely. Altimeter is not a spectator here: its founder, Brad Gerstner, is an Anthropic investor, and the firm holds public and private companies in the same shop. 1
Three kinds of material sit in this guide. The statements are public and timestamped. The financial figures come from the filing itself and from reporting on it. The incentive reading is analysis, and it is not a claim about anyone's intent.

Statement Timeline

All times show the channel's display timezone first, followed by UTC. Engagement figures are platform snapshots captured on 28 October 2026 at about 11:00, not counters from the moment of posting.
  1. 26 October 2026, 15:05 (13:05 UTC): Anthropic announces it has filed a registration statement for a Nasdaq listing under the symbol ANT, with Goldman Sachs as lead underwriter. Captured: 8.45 million views on the announcement post. 2
  2. 26 October 2026, 15:44 (13:44 UTC): Yahoo Finance publishes its chart of the day: Anthropic has signed four non-cancelable compute deals worth about four hundred and thirty billion dollars — Broadcom about a hundred and sixty-one billion, Google about a hundred and fourteen and a half, Amazon a hundred and ten, Microsoft about forty-five — and, counting the SpaceX, Nscale and Lambda agreements, about six hundred and thirty-seven billion of named deals. "The filing left its own grand total blank." 3
  3. 26 October 2026, 15:55 (13:55 UTC): the post that travelled. Ball writes: "$134b of cash today / $141b of total capital raised / <$10b of total burn to get to $16.8b in quarterly revenue (Q3 figure that was widely reported, Q3 not in S-1 yet)." Captured: 650,837 views, 805 likes, 313 bookmarks. 4
  4. 26 October 2026, 16:05 (14:05 UTC): he posts the margin series. Gross margin of 37 per cent in 2023, negative 95 per cent in 2024, 40 per cent in 2025, 12 per cent in the first half of 2025, and 85 per cent in the first half of 2026. 5
  5. 26 October 2026, 18:05 (16:05 UTC): the same four numbers appear as a longer written note. Captured: 19,058 views. 6
  6. 27 October 2026, 03:59 (01:59 UTC): an estimate of what Anthropic actually pays for compute circulates. Its author puts 2026 spending at roughly twenty billion dollars for five gigawatts, about four billion a gigawatt, against an industry range of sixteen to twenty-two billion a gigawatt, and calls the gap the effect of the Amazon agreement. This is an estimate posted on X, not a disclosure. 7
  7. 27 October 2026, 17:43 (15:43 UTC): Gary Marcus quote-posts that estimate: "If this is correct, Anthropic is not nearly as close to profitable as many folks seem to believe. Instead, it appears they relied on a huge (but presumably not perpetual) subsidy from Amazon." Captured: 37,366 views. 8
  8. 27 October 2026, 18:42 (16:42 UTC): Ball adds the mechanism: serving compute per dollar of revenue fell from 0.88 to 0.15 in a year while price per task fell 25 to 45 per cent with each model, and "for Anthropic COGS grew at one-sixth the rate of revenue." 9
  9. 27 October 2026, 18:57 (16:57 UTC): he closes the argument: "There are STILL people who want to pretzel brain the 'Anthropic isn't profitable' narrative." 10
  10. Not one statement: the two claims in this episode's title did not come from a single post, and they are not positions that evolved. "Under ten billion burned" is Ball's arithmetic on the filing. "It owes five hundred and eighteen billion" is the company's own schedule of commitments, published in the same document on a different page, the same day.

What the episode decodes

The first thing to notice is that both numbers are true. Burn measures cash already spent. Commitments measure cash already promised. They sit on different pages and they are written in different tenses, and a reader who only sees one of them is reading half a balance sheet.
Anthropic's own risk section is blunt about the second half. The company says its long-term compute agreements involve minimum purchase commitments and take-or-pay terms that "obligate us to pay for resources regardless of actual utilization," and calls them "substantial fixed obligations." The largest of the four non-cancelable deals is Broadcom's: five years of chip capacity built on Google's TPUs, booked as finance leases. The SpaceX agreement, up to a hundred and twenty point five billion dollars through 2029 at about three point one billion a month, is the softer one — after the first non-cancelable stretches end in January and March 2027, either side can cancel on ninety days' notice. 11
Set the monthly figure against the revenue. Anthropic billed eleven point six billion dollars in the quarter ended June, about three point nine billion a month. The SpaceX bill alone, once the capacity is delivered, would be roughly eight-tenths of that. The commitments are not a rounding error against the business; they are comparable in size to it.
Then there is the margin, which is the more interesting number and the more careful one.
Anthropic does not present a gross margin on the face of its income statement. In 2025 the company changed its presentation from the functional form — cost of revenue, research and development, sales and marketing — to a form that sorts expenses by what they are, where compute and infrastructure is a single line: eight point nine billion dollars for the first half of 2026. The functional version survives in a note, and there cost of revenue is two point four billion. Against revenue of sixteen point three billion, that is the 85 per cent.
The arithmetic is honest. What needs saying is what sits in the bucket. The filing states that "substantially all of the cost of revenue consists of compute and infrastructure expenses associated with customer-serving workloads." The other six and a half billion dollars of compute — the difference between the eight point nine billion spent and the two point four billion counted as cost of revenue — sits in research and development, below the gross margin line.
So the 85 per cent answers a precise question: what does it cost to serve the customers you already have? It does not answer: what does it cost to remain at the frontier? That second bill is real, it is in the same filing, and it is the reason the company holds the compute it holds.
Lay the obligations over that and the shape is coherent. This is a business whose customer economics look like software and whose cost structure looks like a laboratory. The obligations run to 2030 and then out to 2045. The revenue has a refresh cycle attached to it: the filing says model versions released in the six months to 30 September accounted for over 80 per cent of September-quarter revenue.
The last piece is concentration, in both directions. A substantial portion of revenue and receivables comes from a limited number of customers and distribution channels, the filing warns. And the vendors selling Anthropic the capacity — Amazon, Google, Microsoft — also hold equity in it and booked gains on that stake this year. The same companies appear on the revenue line, the cost line and the cap table. 12
Which is where Altimeter's position becomes relevant to the reading. A crossover fund carries private positions at a mark; a listing converts the mark into a price. In the weeks before a roadshow, the public story about a filing is not a neutral object to the people who already hold the stock. That does not make Ball's figures wrong — every one of them checks out against the document — but it does explain which figures were chosen to speak first, and it is worth noticing that burn and gross margin are precisely the two measures that make a company carrying half a trillion dollars of commitments resemble a thrifty software business.

Where the record stops

Whether the compute is priced below market is the question the pushback raised and the filing cannot answer. Anthropic does not disclose per-gigawatt pricing, and the four-billion-a-gigawatt figure is an estimate posted on X by an account, not a disclosure. The strategic investors are both suppliers and shareholders, so a favourable price and an equity stake are two ways of paying the same company, and the filing does not separate them.
The 85 per cent is not in dispute as arithmetic. What is unresolved is how much weight it should carry, given that a third of the company's compute spending is reported below it.
Some of the numbers in circulation are not in the filing at all. Ball's sixteen point eight billion dollars of quarterly revenue is a reported figure for the September quarter, and the document ends in June. His hundred and thirty-four billion of cash is close to but not identical with the balance sheet: a hundred and twelve point four billion of cash and cash equivalents plus nineteen point three billion of short-term investments at 30 June. 11 The filing also leaves its own grand total for commitments blank, which is why the total is quoted as five hundred and eighteen billion from reporting rather than read off a summary line. 13
And the biggest unknown is the one nobody can price yet: whether those gigawatts get used or cancelled. The filing structures exactly that possibility into the SpaceX agreement, and it says nothing about how much of the rest can be renegotiated.

What founders and allocators can take from it

For a founder: keep two numbers, not one. Burn tells you how much cash you have consumed. Commitments tell you what you have already promised to consume. If revenue is growing faster than commitments, you are buying growth. If it is the other way round, you are financing a bet on your own price list, and the financing has a date.
For an allocator: read the commitments page before the growth page. A company cannot choose what it already signed; it can choose what it says first, and the first number a well-known investor repeats is usually the one that clears the path to a price. When the person explaining a company also owns part of it, the explanation is still evidence — about the argument that is about to be sold, rather than about the asset alone.
For anyone thinking about the stock: know which margin is being underwritten. Eighty-five per cent is what it costs to serve today's customers. The cost of the next model is in another line, and the cost of the next five years of capacity is on another page entirely.

References

  1. 1
    Forbes: Brad Gerstner profile

    forbes.com

  2. 2
    Anthropic files S-1 with the SEC for proposed initial public offering

    anthropic.com

  3. 3
    Yahoo Finance: Anthropic's IPO filing reveals $430 billion in locked-in AI computing

    finance.yahoo.com

  4. 4
    Jamin Ball on X: $134bn of cash, under $10bn of total burn

    x.com

  5. 5
    Jamin Ball on X: Anthropic gross margins by year

    x.com

  6. 6
    Jamin Ball on X: the S-1 note with the same four numbers

    x.com

  7. 7
    rdd147 on X: per-gigawatt compute cost estimate

    x.com

  8. 8
    Gary Marcus on X: the Amazon subsidy question

    x.com

  9. 9
    Jamin Ball on X: compute per dollar of revenue

    x.com

  10. 10
    Jamin Ball on X: the profitability narrative

    x.com

  11. 11
    Anthropic, PBC: Form S-1 registration statement

    sec.gov

  12. 12
    24/7 Wall St. via Yahoo Finance: Anthropic has committed $450 billion to cloud computing

    finance.yahoo.com

  13. 13
    Reuters: Anthropic's IPO prospectus shows sweeping AI vision, surging costs

    reuters.com

VC Hot Take of the Week
VC Hot Take of the Week@Soren K

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