Spreadsheet analysis is one of the clearest tests of whether an AI system can handle real business work, because advanced data tasks are rarely about reading a table in isolation and are much more often about understanding formulas, tracing assumptions, restructuring workbooks, interpreting relationships across sheets, and turning messy quantitative material into decisions that someone can trust. ChatGPT 5.4 and Claude Opus 4.6 are both strong enough to support serious spread

The distinction between over-time and point-in-time revenue recognition is one of the most important timing decisions in the entire revenue model, because it determines whether revenue emerges gradually as performance unfolds or appears only when control of the promised good or service passes at a specific moment. This is not a secondary presentation choice. It is a core accounting conclusion that shapes the income statement, the balance sheet, contract-balance movements, mar

File reading has become one of the most practical tests of an advanced AI system because many of the most valuable workflows now begin with an uploaded report, a spreadsheet, a policy packet, a board deck, or a long reference document whose usefulness depends on whether the model can preserve structure, retrieve the right information, and continue answering follow-up questions without drifting away from the source. ChatGPT 5.2 and Claude Sonnet 4.6 are both strong enough to s