The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

OpenAI's GPT-5.4 debuts with financial tools, FactSet integration, Excel support, and investment analysis features for ChatGPT Plus, Team, and Pro users.

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.

Office Scripts extract Excel hyperlink URLs without macros; results are hardcoded so the file can stay .xlsx, reuse is straightforward.

Isomorphic JS client for Nordnet nExt API. Client can be used both on the client and server side. Client should be used for making HTTP requests towards nExt API. See nExt API documentation for a list ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

The Javascript SDK for the Onspring API is meant to simplify development in Javascript for Onspring customers who want to build integrations with their Onspring instance. Note: This is an unofficial ...