OpenAI Revenue Projection Drops $20 Billion as Anthropic Reports 45% Q3 Growth to $16.8 Billion

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OpenAI told investors its annualized revenue is approaching $50 billion, $20 billion less than previously reported, triggering market volatility. Meanwhile, Anthropic disclosed 45% quarterly revenue growth to $16.8 billion as it prepares for what could be the largest IPO in history at a $2 trillion valuation.

OpenAI Revenue Projection Falls Short by $20 Billion

OpenAI informed investors that its annualized revenue is approaching $50 billion, a figure $20 billion lower than the $70 billion widely reported in late September

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. The AI company financials discrepancy arose from different accounting methodologies used to compare OpenAI and Anthropic performance, with the earlier $70 billion figure based on attempts by OpenAI's own investors to produce a direct comparison with Anthropic's annualized revenue

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. OpenAI confirmed in a statement that while it experienced remarkable 70 percent growth in annualized run rate revenue in Q3, subsequent reports claiming it had reached $70 billion run rate were not accurate

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. The company counts only its own cut of proceeds from arrangements with partners such as Microsoft, unlike Anthropic, which recognizes gross revenue on sales through cloud partners

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Source: Market Screener

Source: Market Screener

Market Volatility Exposes Investor Reliance on AI Lab Financials

The revelation triggered significant market volatility, with shares in companies linked to AI including Nvidia and Oracle declining sharply

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. The AI sell-off pushed the tech-focused Nasdaq down 1.4 percent, exposing Wall Street's heavy reliance on annualized revenue projection metrics used by AI start-ups to express their growth to investors

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. The market reaction underscores how critical OpenAI and Anthropic have become to the broader AI industry valuation boom, which has sent US stocks to record highs and helped fuel economic growth

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. Semiconductor stocks extended losses after Broadcom CEO Hock Tan suggested that with climbing interest rates, access to capital could be the biggest constraint on AI companies

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. The volatility has renewed calls for financial transparency from both companies to formalize their financial reporting

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Anthropic Reports 45% Revenue Surge to $16.8 Billion

Anthropic disclosed during a pre-IPO investor meeting in San Francisco that its third-quarter revenue surged 45% to $16.8 billion from the previous quarter

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. The company's revenue in the first quarter was $4.7 billion and $11.6 billion in the second quarter, demonstrating accelerating growth momentum

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. Anthropic told the group it was profitable on an adjusted basis in the third quarter

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. Last year, Anthropic's revenue increased twelvefold to nearly $4.6 billion, even as the company lost more than $8 billion on an operating basis

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. The Claude chatbot maker has committed at least $518 billion over a decade for cloud services, computing and infrastructure

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Source: New York Post

Source: New York Post

Anthropic Prepares for Largest IPO in History at $2 Trillion Valuation

Anthropic is preparing for what could be the largest IPO in history, targeting a valuation of over $2 trillion

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. The San Francisco company could aim to raise more than $100 billion in a public listing, pushing it past Elon Musk's SpaceX, which went public in June at a $1.77 trillion valuation

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. The company is expected to begin trading as early as next month, likely after the November US midterm elections

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. Founded by former OpenAI executives, Anthropic has emerged as one of the leading generative AI models developers with its Claude family of models

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. Its expansion has been underpinned by Alphabet's Google and Amazon, which are simultaneously investors, suppliers of computing power and important distribution partners, as well as AI competitors

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Investor Trust Hinges on Accounting Methodology Clarity

The confusion around AI company financials has cast a spotlight on annualized revenue, a hazy figure used by fast-growing start-ups to help investors understand their financial trajectory

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. Anthropic calculates its revenue run rate by annualizing the prior 28 days of consumption-based revenue, plus recurring monthly subscription revenue

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. OpenAI has always used the net figure in its internal accounting, counting only its own cut from partner arrangements

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. Despite the accounting differences, OpenAI's business performance has taken off in recent months since the release of GPT-5.6 model in July, with the company telling prospective investors it had revised up its estimated full-year revenue for 2026 to $35 billion from $30 billion forecast in the first quarter

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. The issue of OpenAI's revenue has troubled the company as it attempts to justify the gargantuan investments being made on its behalf, including a $122 billion funding round in March alone

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. OpenAI's IPO, previously rumored to materialize this year, has been pushed off until early 2027

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Source: SiliconANGLE

Source: SiliconANGLE

AI Safety Concerns Persist Amid Commercial Race

Anthropic has sought to distinguish itself through its focus on AI safety, warning of the dangers posed by increasingly capable systems even as it competes in the race to develop and commercialize more powerful models

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. Its research has found that its own AI agents have engaged in troubling behavior in test environments, including leaking sensitive information and sabotaging code, though the company has said it has not seen evidence of such misalignment in real-world deployments

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. Watch how Silicon Valley balances rapid commercialization with responsible AI development, particularly as investor scrutiny intensifies around the enormous costs of building and running AI systems. A successful offering from Anthropic could reopen the door for other listings and provide a vote of confidence for the industry, while a poorly received offering could close the door on other listings and affect the broader stock market

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