OpenAIの新GPT-5.4モデルが金融最適化推論でExcel向けChatGPTを強化

OpenAI is launching "ChatGPT for Excel," a beta add-in that lets users create, edit, and analyze spreadsheets through natural language. The tool runs on the new GPT-5.4 model, which OpenAI says is specifically optimized for financial tasks like modeling, scenario analysis, and data evaluation.

ChatGPT running as an add-in inside Microsoft Excel. The left side shows a balance sheet with financial data from 2020 to 2023, while the right panel shows ChatGPT responding to a cash flow analysis question and making changes directly in the worksheet. | Image: OpenAI

OpenAI tested its own models alongside Opus 4.6 on an internal benchmark designed to evaluate real investment banking tasks, such as building a three-statement model with correct formatting and sources.

Model

Average Score (higher is better)

GPT-5

0,437

GPT-5.2 Thinking

0,684

GPT-5.2 Pro

0,717

GPT-5.4 Thinking

0,873

Opus 4.6

0,641

OpenAI is also rolling out financial data connections for providers like FactSet, Moody's, S&P Global, and LSEG. ChatGPT for Excel is initially available in the US, Canada, and Australia for Business, Enterprise, Pro, and Plus users. A version for Google Sheets is planned to follow.

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