OpenAI’s $50B Revenue Isn’t a Setback—It’s an Accounting Mirage That Exposes Anthropic’s Real Threat

(SeaPRwire) –

By: Ethan Gallagher

The moment anyone reads “OpenAI annualized revenue nears $50 billion,” they should immediately suspect that the number is both correct and completely useless. A $20 billion discrepancy between the figure originally circulated and the one actually shared with investors is not a rounding error. It is a methodological chasm that reveals far more about how AI companies choose to book money than it does about their true competitive position.

Here is what the official numbers say versus what the industry is quietly understanding. OpenAI told investors its September annualized revenue sat at roughly $50 billion, down from the $70 billion figure widely reported last month. The gap existed because investors attempted to map OpenAI’s revenue onto Anthropic’s accounting framework. Anthropic counts sales made through cloud partners including Amazon Web Services and Google Cloud as part of its revenue. OpenAI does not. Anthropic pays those cloud partners approximately 16 percent of every dollar earned through them, and that arrangement accounted for roughly half of Anthropic’s revenue last year. Under Anthropic’s method, OpenAI would indeed look closer to $70 billion. Under OpenAI’s own method, the company is still growing aggressively from $20 billion at the start of this year and just $6 billion in 2024. The raw growth trajectory remains undeniable. The accounting mismatch, however, tells a different story about where the real money is moving.

The subtext here is where the actual market signal lives. Anthropic’s annualized revenue passed $65 billion in July and is projected to hit $100 billion by year end. In the second quarter alone, Anthropic posted $11.5 billion in quarterly revenue compared to OpenAI’s $6.7 billion. That was the first time Anthropic’s quarterly figures surpassed OpenAI’s. Both companies are preparing for public listings, but on completely different timelines. OpenAI has pushed its IPO to at least next year, citing focus on AI safety work, while Anthropic may sell shares as early as November. OpenAI is currently negotiating with UAE-based investment funds including MGX for a new round that would value the company at $1.4 trillion on a pre-money basis, seeking to raise $30 billion or more. The market did not react positively to the revenue report. The Nasdaq 100 dropped 1.4 percent and chip stocks fell 3.4 percent. Investors do not want another accounting puzzle. They want clarity before committing capital to either of these companies.

What this means for the supply chain landscape is straightforward. The cloud partner revenue model that Anthropic embraces effectively turns infrastructure providers into revenue stakeholders. Every dollar flowing through AWS or Google Cloud becomes a shared ecosystem bet. OpenAI’s direct revenue model keeps margins cleaner but scales slower through the partner channel. Companies building infrastructure around AI will align themselves with whichever accounting model offers greater pass-through volume. Anthropic’s path through cloud partners creates a wider distribution funnel. OpenAI’s path through direct enterprise sales creates tighter customer relationships. Both models work. The market is simply deciding which funnel it trusts more at current valuations.

Author bio: Ethan Gallagher is a Silicon Valley Hardware Architect and Infrastructure Strategist with over two decades of experience in semiconductor supply chains and AI compute deployment.