Anthropic S-1

They must be joking with this part:

"Before starting the IPO process, we spoke to many business leaders who had gone through a similar process in the past. One piece of advice, which we heard in slightly different forms from multiple people, stuck with us: never let your company be worth a dollar more than it is actually worth. What they meant is that it is very dangerous when people buy your company's stock based on expectations you cannot fulfill or on incorrect predictions about how you will behave. This is in fact very similar to one of Anthropic's guiding principles: underpromise and overdeliver."

Everything comes back to whether the demand is really there.

Anthropic thinks it is. The got the demand / datacenter match right in Q2, got great margins, and committed hard.

They've got:

- $114b committed to Google

- $110b committed to AWS

- $161b committed to Broadcom

- $120b committed to SpaceX

If the party continues, they'll go from $50b in revenue to $500b and be fine.

But if they don't, it's going to hurt. And that's their only choice, because otherwise, they end up with a frontier model and 50% of the capacity and get eviscerated on either availability or last-minute datacenter leases.

It's a big business, but it's not an easy business.

There are a lot of parallels to the WeWork S1. They’ve made absolutely massive forward cash commitments, on a business that’s increasingly commoditized, and with little hard evidence that they’ll generate the revenue (let alone the cashflow) to pay for all these future liabilities. All while everyone is discovering there isn’t really a secret sauce moat to demand much of a a premium over cheaper options that trade a few points above the direct COGS (cost of compute in this case).

If everything goes just perfect they might eek by. If it doesn’t this goes from high flying startup to insolvency and bankruptcy real fast.

One thing that bothers me is that if the AI maximalism turns out correct (which is needed to justify the valuations), why would AI companies respect money and ownership?

So far, even major disruptions were still affecting relatively small segments of the economy. Car lobby in Germany, tech in the US, "Big Pharma/Food/etc”. They needed the rest of the economy.

But if some AI company figures out a way to monopolize everything: new companies, old companies, physical manufacturing - all the things they say they will, please buy here for lots of money - why would they be bound to pay out dividends or otherwise share the fruits of their economic labour?

I’m not saying specifically Anthropic would be looking to screw its investors. Rather, if you control an almost omnipotent genie, wouldn’t the temptation just be too much?

Or temptation aside - will money even have any value? If some AI company rebuilds the economy from scratch, and control everything from accounting to shoe making, why would they respect the value of some fiat tokens? It’d be like the conquistadors respecting the shells and beads of their new Aztec subjects.

Of course, perhaps none of this happens, but then the question is, how good an investment all of this even is.

Ant generates $2.08 in revenue for every $1 spent on compute which is up from just $0.40 in Q1 2025.the payback period for compute is just insane, likely less than a year!

For those who are not familiar with S-1: this document is incredibly important. this is one of the rare times in the life of a company where it's not allowed, by law, to lie, nor to omit the truth.

The biggest question mark here for me is how much third party compute has been contributed in exchange for Anthropic equity. This has the effect of making Anthropic's compute spending look a lot lower than it actually is. Anthropic gets a revenue share on that third party compute spend (or gets to do training runs without spending cash), the third party gets shares in return.

From the "Risk factors" section:

> If the use of our AI models results in harm, whether through use by malicious actors or misuse by other third parties, or if our model guardrails or safeguards fail to prevent such misuse, our reputation and brand, business, financial condition, and results of operations could be adversely affected.

That shouldn't be an 'if'.

Then, two paragraphs later...

> For example, in September 2025, we detected and assessed with high confidence that a Chinese state-sponsored hacking group manipulated our Claude Code tool into attempting infiltration into roughly 30 global targets...

But they should mention when the calls com from inside the house. :D

Interesting to review all the mentions to China and Taiwan too.

> The majority of the world’s most advanced chip manufacturing capacity is concentrated in Taiwan, primarily at Taiwan Semiconductor Manufacturing Company [...] potential disruption from geopolitical tensions between Taiwan and China [...] Efforts to establish sufficient advanced chip manufacturing capacity outside of Taiwan, including in the United States, remain in early stages...

About a quarter of Anthropic's revenue for the nine months ended 9/30/26 came from just five customers. That's not an absurd concentration, but I would be very interested to know who they are and how mobile their business is. From a financial perspective, the lack of moat seems like the whole ballgame, particularly because they're getting ~80% of their revenue from consumption-based spending.

Feels like being asked to invest in IBM just as other manufacturers started releasing the first PC compatible machines.

Immediate term Anthropic, OpenAI rule the roost. But this is a very new technology and open models are already looking good. They’ll only get better. Is it realistic to think Anthropic will stay ahead of them enough to justify the valuation they’re asking for?

Adding a zero to revenue every year is wild. Regardless of whether you like Anthropic.

I'm just happy they aren't calling it "Super intelligence" in this document.

What a historic moment! It'll be interesting to see how much Anthropic can continue growing.

There will come a point where open-source models are good enough for most people. However, I do expect there to be demand for frontier models for things like cybersecurity (especially on the enterprise side) and scientific research.

So at the moment they claim to be making an operating profit if you exclude:

- Stock-based compensation expenses

- Non-cash charitable contribution expenses

Both seem fairly reasonable to exclude (although it depends how much of the stock compensation is for executives... you can't necessarily pay people with stock forever).

FMost of the loss is non-operating losses, and it all seems to be weird accounting recognition of changes in value of their stock, SAFEs, etc. - just "paper" losses.

So the financial picture looks a lot better than I would have guessed - I suppose because they aren't the ones investing all this capex.

> there can be no assurance that we will be able to hire sufficient support personnel as and when needed, particularly if our sales exceed our internal forecasts

Why would they need support personnel? Isn't their whole point that Claude can do that

Where's the "It's a bubble" crowd now?

I wonder if we're already close to peak value at the foundation model/API level. With so many good open-weight models out there, I think more and more of the money will end up in the applications built on top. Unless companies like Anthropic can move into that space, I'm not sure I'd bet on them as long-term investments over the next 10–20 years.

Really wonder how their public benefit mission will align with the expectations to maximize shareholder returns

I want to be optimistic, but I just can’t imagine the public benefit mission winning out in the market

It mentions "humanity" 21 times.

$81B net loss in first 6 months of 2026 alone. Linked discussion: https://news.ycombinator.com/item?id=50243002

Amount of early money waiting to exit is absolutely staggering, wonder if there’s enough retail to buy the leftovers without crashing the price. Reminder everyone with money who wanted in before IPO got in!

This is it, we're at the summit. It's only downhill from here.

This entire A.I. hype is going to get many people burned, especially those whom are investing for their pensions.

And everyone is playing along. It seems to me half the internet is filled with false recommendations and overly optimistic outcomes of their software projects.

And even if the claims are true what use will we have for hundreds of Microsoft Office clones? This A.I. boom might benefit some but will be the undoing of many valuable ISVs like Microsoft and Adobe with potentially trillions of stock market value lost.

It seems obvious that the AI stocks are an interesting buy, but I wonder how other people feel about picking between Anthropic/OpenAI/Google here. Looks all fairly random, given the wild swings and interoperability of the technology so far.

This will be the most read S-1 in the decade

$ANT ticker, it would have been funnier if it was $CLAUD

I wonder if OpenAI will release theirs soon. It seems very important to be the first one to IPO

So it looks like $2T is indeed the target

> Second, AI can be a powerful lever for economic growth. As a general purpose technology, it has the potential to raise productivity across every sector of the economy. Productivity growth in advanced economies has stagnated in recent decades, partly for structural reasons and partly because new ideas seem to be harder to find. AI could reverse this trend.

Bloody hell!!!! Who comes up with such crap, seriously?

For all things good and holy, DO NOT purchase shares until things settle down and by that I don't mean next month, or next year but atleast 2028, IF you're doing so with the intention of enjoying an uplift.

I know it sounds and feels like the only trajectory of this company is up but HN is an echo chamber of a tiny minority of the technical populace and 3 out of 5 people on the planet don't know what ChatGPT is.

If you have the ability to lose all the money and can time the extreme volatility, have fun, but don't put anything you're going to rely on.

This is also one of the companies we will look back at 2046 and wonder what we were thinking.

this should be fun

We are nearing the final stages of the AI hype cycle and this IPO will cause the acceleration of the crash.

"AGI" was never mentioned once and it was you being the exit liquidity for the insiders and early investors.

I'm tired boss.

This might be one of the most consequential S-1s in the next decade. There's a part of me that's terrified, like we're on the precipice of financial or societal collapse. I suppose that could be a sign of the times.

Can I get dividends as tokens?

Is becoming a public company going to help or harm their mission of delivering safe AI?

Super shares yet again. Pass.

Plus they get to dilute as value rises lol.

Im going to continue to use fast open source models like Deepseek and GLM, I like most others, have zero need for the worlds smartest person to be my assistant.

I dont understand this business model, it seems clearly unsustainable (at their prices). When people start to realize they dont need to spend all this money on turbo PhD intelligence so they can build react apps, Anthropic will be in a tough spot (if they already aren't).

You will say, "but enterprise!!" Nope, plenty of companies are waking up to this reality as well. It turns out that if you made money pre-AI without spending 5k a seat a month for your engineers dev tools, you probably don't need to now to continue too.

What's preventing me from feeding this into Claude and reconstructing the company for $200?

I'm unironically doing this right now; downloaded the docs (htm + pdf render) to a local repo and running Opus 5.5 @ max effort with the prompt:

  "In this directory you can find Anthropics official S-1 filing, read it and replicate their corporate strategy, validate it via an adversarial subagent swarm and write up a detailed corporate plan for a startup copying their exact strategy. The goal is to achieve a $1 trillion valuation and an IPO in 5 years."

I seems to me the main risk long-term is that it's not clear where the moat is.

People will pay a premium if there is marginal value in extra intelligence. And Anthropic is able to retain their lead and provide that extra intelligence.

Both of these assumptions seem highly suspect to me. Most businesses don't exclusively hire PHD-level employees for most tasks because a competent slightly less intelligent/knowledgable person can do the job just fine for significantly less.

Then there is the question of if they're able to retain their lead, and again, this seems questionable. Both OpenAI and Google are competing at the frontier, and Chinese labs are still in the race. Things are changing so fast who knows where we'll be in 5-10 years.

My best guess is that longer-term models will be commoditised and it will be how companies offer products and services around their models that gives them their margins. I wouldn't bet on Anthropic's ability to do this. Meta, OpenAI and Google are much better placed to win here imo.

The other place there may be margin is in niche research domains like drug-discovery. Any slight lead in these sectors could give them a lot of pricing power.

I think the reason to invest in this is as a hedge. AI basically competes against everything and arguably for this reason it's risky to not own a basket of AI stocks.

I think a company like Moonshot or Z.AI could have sabotaged this behind repair by doing a 10-20B IPO before Anthropic.

That could have popped the AI bubble right there.

'AI' still fails the alignment grannybench.

Lets burn it down to the ground!

Good for you if you have Anthropic shares! I have no clue how they keep their employees around once the 6 month lockup period ends. They all going to be multi-millionaires, either retire or leave to start something on their own.

So now buy or sell?

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