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).
Microsoft has removed App Skills from Excel's Copilot after users found multiple AI entry points confusing, now consolidating them into a single interface.
Anthropic expanded Claude Cowork with cross-app workflows, new connectors, and enterprise controls, letting teams tailor Claude to internal tools and processes.
Microsoft removes Excel Copilot App Skills and merges features into Copilot Chat and Agent Mode as part of a broader AI ...
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