Investing.com — OpenAI’s annualized revenue rate has jumped more than 70% since the start of the third quarter, reaching nearly $70 billion, according to recent financial data cited by Axios. This revenue milestone coincides with OpenAI’s annual DevDay conference being held today in San Francisco, highlighting the rapid commercial expansion of its developer ecosystem.
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Growth is widespread and accelerating rapidly. OpenAI’s business-to-business revenue has soared more than 100% since July 2026, while consumer revenue added in the third quarter alone has already eclipsed the company’s overall consumer revenue for 2025. Driven by subscriptions, enterprise demand, the Codex coding tool and an emerging advertising business, the annualized figure of around $70 billion, based on the most recent monthly pace, marks a sharp rise from to the $40 billion reported by Bloomberg and Forbes last time. month. However, as Axios found a lack of visibility into the company’s spending base, OpenAI’s actual profitability trajectory remains unclear.
These staggering numbers come just as OpenAI’s main rival, Anthropic, accelerates its move toward the public markets. Anthropic’s annualized run rate surpassed $65 billion at the end of July, more than seven times higher than at the end of 2025. According to a draft IPO prospectus reviewed by Reuters, Anthropic’s recorded revenue grew twelvefold to nearly $4.6 billion in 2025. The filing also revealed a massive $518 billion in future cloud and computing obligations, as well as an unusual risk factor warning investors that its technology could pose an “existential risk” to humanity.
Because both AI labs remain strictly private, public market investors are increasingly using their big tech partners as trading proxies. Oracle (NYSE: ORCL), which has deep cloud infrastructure ties to OpenAI, saw its shares jump 7% following the Axios report, becoming the most direct expression of OpenAI’s equity momentum. Similarly, Microsoft (NASDAQ: MSFT) reported $24.1 billion in fiscal 2026 revenue from its commercial deals with OpenAI, illustrating how the AI arms race has already shaped big tech’s balance sheets.
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