What changed
Microsoft describes a service-managed update. Enhanced mode selects LLM Speech; Fast Transcription defaults to Azure Transcribe.
Our analysis
Builder’s view: save a permitted test set with language switches, proper names and silence. Recheck it after managed updates, recording region, request mode, omissions and invented words.
Keep in mind
The overview still names 07 2026; region/resource availability is unverified.
Sources & dates
- Microsoft Foundry LLM Speech 09-2026 announcementSource published: 26 Oct 2026Checked: 27 Oct 2026
- Microsoft Learn LLM Speech overviewPublication date not statedChecked: 27 Oct 2026
Article updated: 27 Oct 2026
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