OpenAI launches GPT-5.4 with native computer use mode, financial plugins for Microsoft Excel, Google Sheets

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).

Easy to Setup Excel Automations to Save Time Everyday

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

OpenAI Unveils GPT-5.4: Advanced Financial Analytics Tools Now Available

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

WebMCP explained: Inside Chrome 146’s agent-ready web preview

WebMCP exposes structured website actions for AI agents. See how it works, why it matters, and how to test it in Chrome 146.
InfoQ

Vercel Releases React Best Practices Skill with 40+ Performance Rules for AI Agents

Vercel has launched "react-best-practices," an open-source repository featuring 40+ performance optimization rules for React and Next.js apps. Tailored for AI coding agents yet valuable for developers ...