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Anthropic's IPO filing shows $17 billion in revenue and an AI-speed-up warning

On 2 November 2026 Anthropic filed an amended S-1, its paperwork to sell shares to the public. It shows revenue of $17.0 billion in the three months to 30 September 2026. It also says Anthropic may imminently meet its own definition of dramatically accelerated AI progress, though it has not named any current model as past that line.

Cover art from Anthropic's amended IPO filing: three abstract panels of a petri dish, a shell and a woven pattern.
Image: Anthropic

The short version

  • 01Anthropic filed an amended S-1 with the US Securities and Exchange Commission on 2 November 2026.
  • 02Revenue was $17.0 billion in the three months to 30 September 2026, up 1,127% from a year earlier.
  • 03Anthropic has signed compute and infrastructure commitments of about $895.4 billion.
  • 04It says it may imminently meet its Responsible Scaling Policy's definition of "dramatically accelerated progress attributable to AI."
  • 05It says no current model has been named as past that threshold, and it is still checking the data.

At a glance

Filed2 November 2026
DocumentAmended Form S-1 (S-1/A, Amendment No. 1)
CompanyAnthropic, PBC
Revenue, three months to 30 Sept 2026$17.0 billion
Growth versus the same quarter of 20251,127%
Compute and infrastructure commitmentsAbout $895.4 billion
Share price and dateNot set in the filing
StatusConfirmed by Anthropic's filing

What did Anthropic file?

On 2 November 2026 Anthropic filed an amended S-1 with the US Securities and Exchange Commission. An S-1 is the document a company files to sell shares to the public for the first time.

The filing is still a draft. The price per share and the date of the sale are blank.

Cover art from Anthropic's amended IPO filing: three abstract panels of a petri dish, a shell and a woven pattern.
Cover art from the filing. Image: Anthropic

How much money did Anthropic make?

The filing says revenue was $17.0 billion in the three months ended 30 September 2026. It says revenue rose 1,127% compared with the same three months of 2025.

It also says Anthropic has entered into purchase commitments and lease agreements worth about $895.4 billion, almost all of it for compute and infrastructure.

Chart from Anthropic's filing: revenue over time since March 2023, rising steeply to $17.0B in the third quarter of 2026.
Anthropic's own chart of its revenue, from the filing. Image: Anthropic

What does the filing say about AI speeding up its own research?

In its risk factors, Anthropic says it has trouble measuring how fast its AI is improving, and may not spot a big speed-up until after it has happened.

It then says its internal estimates and its expectations for future models, not its current ones, indicate that it may imminently meet the threshold in its own safety policy for progress that AI itself speeds up. It says it has not named any current model as past that threshold and is still checking the data.

...we may imminently meet our Responsible Scaling Policy's definition of "dramatically accelerated progress attributable to AI."

Anthropic, in its amended S-1

Will humans stay in control?

Anthropic says it does not expect to be able to safely use Claude to design and build new generations of frontier models fully on its own, without meaningful human supervision or understanding, if that ever becomes possible.

It says it is considering changes to its Responsible Scaling Policy to keep humans in control of how it develops its models.

Why does it matter?

A company about to sell shares to the public is telling investors that its AI could soon speed up its own development. Risk sections in IPO filings are written to warn buyers, so this is a statement of risk, not a launch.

What's next?

The filing has no price or date yet. Open Loop News will report what Anthropic confirms next.

Questions people ask

What is an S-1?

An S-1 is the form a US company files with the SEC to sell its shares to the public for the first time.

How much revenue did Anthropic report?

The filing says $17.0 billion in the three months ended 30 September 2026.

Has Anthropic's AI started improving itself?

Anthropic says it has not named any current model as past its threshold for dramatically accelerated progress, and that it is still assessing the data.

When will Anthropic shares go on sale?

The filing does not say. The price and the date are blank in this amended draft.

What is the Responsible Scaling Policy?

It is Anthropic's own safety policy, which sets out how it monitors and limits the risks of more capable AI.

Sources

  1. PrimaryAnthropic, PBC: Form S-1/A, Amendment No. 1, filed with the SEC on 2 November 2026
  2. CoverageTechCrunch: Anthropic warns that it's very close to RSI capability (2 Nov 2026)

Why "Confirmed"? We label a story "Confirmed" when the company or government announced it itself. Spotted an error? Email hello@openloopnews.com and we will correct it.