What did the 10-K actually say? In the fiscal 2020 annual report (filed February 3, 2021), Alphabet writes that "across the company, machine learning and AI are increasingly driving many of our latest innovations," and points to its "investments in machine learning over" the preceding years. EdgarBeast indexed the passage.
This is a framing change, and framing changes in a 10-K are not accidental — they are lawyered. A year earlier the company described AI largely in the language of risk. Here it is described as a driver of the product pipeline. Disclosure or it didn't happen: the company has now told investors, on the record, that ML is central to what it ships.
The document does not attach a revenue figure to "AI" — Alphabet does not disclose one as a segment — so the claim is qualitative, and I will keep it that way. The signal is positional: AI has moved from caveat to capability in the company's own narrative.
For markets, the value of marking this is comparative. Each subsequent filing can be read against the FY2020 baseline to see whether the AI language keeps escalating and whether the financials eventually follow the rhetoric. The 10-K on sec.gov is the primary source; EdgarBeast surfaced the ML framing.