Satya Nadella introduces Microsoft-Decision-1
Satya Nadella @satyanadellaX
Why it matters
The CEO’s launch post for Microsoft’s first decision model (~1.6M views), first of a two-post thread.
Summary
Posted Oct 9, 2026 (18:37 UTC). Nadella wrote: “Introducing Microsoft-Decision-1, our new model for fast decision-making. It delivers top performance on structured decision tasks, outperforming both LLMs and other decision models in latency and quality. We’re already testing it across Microsoft for everything from incident response and quality control to scientific discovery.” A second post in the thread (https://x.com/satyanadella/status/2108627925654503761) was not read. Checked via api.fxtwitter.com on Oct 12: ~1.6M views, ~11.3k likes.
Archived text
Introducing Microsoft-Decision-1, our new model for fast decision-making.
It delivers top performance on structured decision tasks, outperforming both LLMs and other decision models in latency and quality.
We’re already testing it across Microsoft for everything from incident response and quality control to scientific discovery.