Microsoft's Wavlm Base Plus Sd is an open-source audio model capable of audio processing and speech-to-text tasks, particularly suited for speaker diarization. It is pretrained on a large dataset of 94,000 hours of speech audio, including Libri-Light, GigaSpeech, and VoxPopuli, and utilizes a Transformer structure with gated relative position bias.
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Microsoft has not published a context window for Wavlm Base Plus Sd, so the catalog shows it as not available rather than estimating one.
No. Wavlm Base Plus Sd is a proprietary model (license: Proprietary): its weights are not distributed, and it runs only through Microsoft's own API or a host with access to it.
Wavlm Base Plus Sd accepts Audio and produces Embedding. The capabilities card on this page lists which API features each deployment honours, such as function calling and structured output, with the source each was checked against.
No published benchmark result for Wavlm Base Plus Sd is in the catalog yet, so the model is shown as unmeasured. It is not ranked or estimated; the router treats it as unknown for every task until a suite measures it.
Not on the managed pool today; Wavlm Base Plus Sd is listed for reference and comparison. Connect your own provider key or endpoint that serves it and the gateway runs it on your account, with routing decisions recorded the same way.
Wavlm Base Plus Sd cannot be self-hosted: its weights are not distributed. It is used through an API, either Microsoft's own or the Inferbase gateway where it is served.
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Last updated: Aug 28, 2026
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