OpenAI launches ChatGPT for Excel with GPT-5.4 Thinking model , directly embedding advanced AI into Microsoft spreadsheets for financial professionals. The new tool automates complex tasks like three-statement modeling, scenario analysis, and data extraction that previously required days of manual work. The GPT-5.4 Thinking model demonstrates significant improvements, boosting accuracy on investment banking tasks from 43.7% to 87.3% in internal benchmarks. OpenAI has secured partnerships with major financial data providers including Moody's, S&P Global, Dow Jones Factiva, and LSEG, enabling seamless data integration directly into workflows. Users can describe financial scenarios in plain English and the AI automatically builds formatted Excel workbooks while requesting permission before making changes.
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