Speech model taxonomy: native S2S and full-duplex are independent dimensions, not exclusive categories

rdesh26 · x · 2026-10-31

In a quoted discussion, mhasanjilani argues that model architecture should be separated from turn-taking behavior: native S2S describes how audio is processed and generated, while turn-based vs full-duplex describes how the interaction is managed. A full-duplex native audio model is still S2S, and even a cascaded system can support full-duplex interaction — two independent dimensions rather than mutually exclusive categories.

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