Column chart of Anthropic's adjusted operating income or loss, a non-GAAP measure. Losses were $522 million in 2023, $2,788 million in 2024 and $4,854 million in 2025, and $1,849 million in the six months ended June 30, 2025. The six months ended June 30, 2026 show adjusted operating income of $1,618 million, a 10% adjusted operating margin, while the GAAP operating margin was negative 4%.

Anthropic posted $1.6 billion of adjusted operating income, a non-GAAP measure, in the six months ended June 30, up from a $1.8 billion adjusted operating loss a year earlier.

On a GAAP basis, the Claude maker still had an operating loss of $693 million in the first half, narrower than $2,135 million a year earlier.

So is Anthropic profitable? Not on a GAAP basis.

Its first-half net loss widened to $80.7 billion from nearly $13 billion a year earlier.

The non-GAAP measure excludes stock-based compensation, non-cash charitable contributions and the Bartz settlement.

Here is how adjusted operating income has moved.

  • Full year 2023 -$522 million

  • Full year 2024 -$2,788 million

  • Full year 2025 -$4,854 million

  • First half 2025 -$1,849 million

  • First half 2026 +$1,618 million

The S-1 puts the first-half adjusted operating margin at 10%, versus a GAAP operating margin of negative 4%.

The swing came as Anthropic's first-half revenue jumped 14-fold to $16.3 billion, according to the S-1 it filed Monday for a Nasdaq IPO under the ticker ANT.

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One positive half on an adjusted basis isn't a trend yet, but it gives Anthropic's IPO pitch more than growth alone.

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Phil Rosen
Phil Rosen

Phil Rosen is co-founder and CEO of Opening Bell Media and chief market strategist for Silvia Inc. (NASDAQ: SVIA). He hosts Full Signal and writes Opening Bell Daily — the markets briefing read by over 200,000 investors and published on Bloomberg Terminals — and has also published two books and won a Fulbright award for his reporting. Contact him at [email protected].