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Anthropic makes IPO filing public, reporting rapid sales growth and net losses

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Coverage spectrum

Covered by 4 outlets, mostly center (75%).

7 articles in total, 1 of them opinion. The spectrum counts each outlet once and leaves opinion out. How we measure bias

Laptop screen displaying Anthropic logo in front of glowing blue stock market charts
Image via SemaforHow images are chosenReport this image

Bloomberg, CNBC, MarketWatch and Semafor report on Anthropic's public IPO filing. Bloomberg says the filing shows healthy growth and that Wall Street generally liked what it saw. Semafor reports that Anthropic said its revenue grew fourteenfold in the first half of the year compared with the same period in 2025. CNBC reports that bulls cite 1,300% annual sales growth, while bears point to roughly $80 billion in half-year net losses and hundreds of billions of dollars in compute commitments. CNBC also reports that Anthropic was valued at $965 billion in May and is reportedly seeking an IPO valuation of $1.5 trillion to $2 trillion. MarketWatch says a roadshow could begin the week of Nov. 9.

Headline and summary written by Mantle’s AI from the coverage below, under published rules. How this works

What happened

Key points

Each point shows who reports it, from Far Left to Far Right.

  1. Anthropic publicly filed for an initial public offering, and its S-1 was released by the Securities and Exchange Commission on Monday.

    Reported byLeft1Center2See the outletsHide the outlets
    Left
    Bloomberg
    Center
    MarketWatch, CNBC

  2. Anthropic said its revenue grew fourteenfold in the first half of the year compared with the same period in 2025.

    One outletSemafor· Center

  3. Supporters cite 1,300% annual sales growth, 900% net revenue retention and an 85% implied gross margin.

    One outletCNBC· Center

  4. Skeptics point to roughly $80 billion in half-year net losses and hundreds of billions of dollars in compute commitments.

    One outletCNBC· Center

  5. Anthropic was valued at $965 billion in May and is reportedly seeking an IPO valuation of $1.5 trillion to $2 trillion.

    One outletCNBC· Center

  6. Anthropic would be the first pure-play frontier AI company to go public.

    Reported byLeft1Center1See the outletsHide the outlets
    Left
    Bloomberg
    Center
    CNBC

What is contested

Where accounts differ

Points the coverage does not agree on, and who says what.

  • The filing shows healthy growth that Wall Street generally liked.

    Bloomberg says investors generally liked what they saw; CNBC says investors are split between seeing speculative fiction and a generational moment; a Semafor opinion column says the IPO needs believers to reach its payoff.

How each side tells it

Compare views

Every side reports that Anthropic has publicly filed for an IPO whose figures draw both enthusiasm and concern. The left-side coverage stresses investor reassurance and growth, while the center-side coverage stresses split investor views and the losses and commitments behind the growth.

  • the left

    1 outlet

    All left-side headlines come from one newsroom, which presents the filing as reassuring for investors and a pure-play bet on frontier AI.

    Anthropic IPO Filing Calms Nerves With Signs of Healthy Growth
    BloombergLeftAll left-leaning headlines

  • the center

    3 outlets

    Center headlines report investor reaction and timing, and CNBC frames the filing as a debate between bulls and bears; one Semafor column says the IPO needs believers.

    Anthropic's IPO could be 'speculative fiction' or a 'generational moment' — investors are split
    CNBCCenterAll center headlines

  • the right

    No coverage yet

    No right-leaning outlet that Mantle follows has covered this story yet. That absence is part of the picture.

The words they chose

Language to notice

Words that carry a judgement beyond the facts. Tap a highlighted word anywhere on the page to see why.

  • Left0

    No loaded words in its own voice.

  • Center1

    cheers investors

  • Right

    Has not covered this story.

In the outlets’ own words

  • Loaded verb

    cheers investorsMore neutral: reacts positively to

    The headline describes investor reaction as cheering, while the excerpt reports only that markets rose and investors were not frightened off.

    Anthropic prospectus cheers investors ahead of IPO

    Used bySemafor (Center)

See the full language guide

See for yourself

Side by side

What each side leads with and what it leaves out. Open a side to read its headlines.

From the left

1 outlet

Leads with

  • investor appeal
  • healthy growth
  • first pure-play AI listing
  • what to watch next
See the headline from the leftHide the headlines

From the center

3 outlets

Leads with

  • investor reaction
  • split investor views
  • IPO timing
  • growth against losses

Leaves out

  • the punishing week for AI stocks before the filing

Reported by other sides, not found in this side’s coverage.

See the 3 headlines from the centerHide the headlines

From the right

0 outlets

No right-leaning outlet that Mantle follows has covered this story yet. That absence is part of the picture.

Articles you open from here build My Mix, a private picture of how your reading spreads across the spectrum, kept on this device. What is My Mix?

The left is Far Left and Left together. The right is Right and Far Right together. Every outlet keeps its own five-point rating.

Who reported it when

How the coverage built up

  • Left

    First to report

    Bloomberg, Oct 27, 6:35 AM EDT

  • Center

    1 hr 6 min later

    Its first report, Oct 27, 7:41 AM EDT

  • Right

    No report yet

    From the outlets Mantle follows

See the order the outlets reported inHide the order
  1. BloombergLeftOct 27, 6:35 AM EDT
  2. SemaforCenterOct 27, 7:41 AM EDT
  3. MarketWatchCenterOct 27, 12:38 PM EDT
  4. CNBCCenterOct 27, 1:26 PM EDT

Times are the ones the outlets published in their own feeds, in Eastern time. Opinion is left out.

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