The trick: Moved Ruler

Anthropic's revenue "run rate" just beat OpenAI's by $25 billion.

The two companies don't even count revenue the same way, so nobody actually knows the real gap.

Issue 1524 August 20266 receipts4 min

Anthropic's annualized revenue run rate hit $65 billion at the end of July, blowing past OpenAI's reported $40 billion, per Bloomberg reporting both companies fed to their own investors ahead of IPOs.

Before you read on. Your call?

TechCrunch runs the "surges past OpenAI" headline, then admits deep in the piece the companies "may calculate their revenue metrics differently." A revenue tracker that publishes its methodology says why: Anthropic books gross end-customer spend through cloud resellers as revenue, OpenAI reports closer to net. The same tracker puts OpenAI at $24-33 billion, not $40 billion, depending on which number you use.

The twist

Neither company is public. Neither number is audited. Both are run rates, one month annualized, not a year actually earned. The businesses aren't even the same shape: about 85% of Anthropic's revenue is enterprise API contracts, about 85% of OpenAI's is consumer subscriptions. Comparing them head to head is a wholesaler's invoice total against a retailer's subscription count.

$65 billionAnthropic annualized revenue run rate at end of July 2026

$47 billionAnthropic run rate in May 2026

$40 billionOpenAI revenue figure cited in the comparison

$24–33 billionOpenAI estimated run rate on the AI Revenue Leaderboard as of August 2026

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The trick has a name

We call it Moved Ruler: two methods, two answers, one of them quoted. You'll see it again. Learn to spot it →

Say this in tomorrow's meeting“Which of those revenue numbers is audited? Neither. Which one is even measuring the same thing? Also neither.”

Receipts

Supports techcrunch.com: Meanwhile, rival OpenAI has doubled its revenue to $40 billion, up from $20 billion at the end of 2025, Bloomberg reported last week.
Context techcrunch.com: The two companies may calculate their revenue metrics differently, but Anthropic's growth rate has captivated investors far more than OpenAI's has.
Refutes aibusiness.vc: Anthropic books total end-customer spend through cloud resellers as revenue and books partner payouts as expense.
Refutes aibusiness.vc: That accounting difference means the top two aren't perfectly apples-to-apples.
Context web.archive.org: Approximately 85% of Anthropic's revenue comes from enterprise and developer customers.
Context web.archive.org: OpenAI's mix runs in the opposite direction, with roughly 85% tied to ChatGPT consumer subscriptions

Open the Receipts Pack → What each source proves, every figure traced, and what would change our verdict.