GPT-5.4 and ChatGPT for Excel Shift AI from Drafting to Spreadsheet Execution
OpenAI
GPT-5.4
ChatGPT for Excel
Financial Data
AI Workflows
OpenAI launched GPT-5.4 and ChatGPT for Excel on March 5, 2026. Here is a practical rollout playbook for finance and ops teams that want faster, governed spreadsheet workflows.