What changed

Microsoft describes a service-managed update. Enhanced mode selects LLM Speech; Fast Transcription defaults to Azure Transcribe.

Source: Microsoft Foundry LLM Speech 09-2026 announcement

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.

Source: Microsoft Foundry LLM Speech 09-2026 announcement

Sources & dates

Article updated: 27 Oct 2026

Editorial standards & corrections