ServiceNow releases open Apriel Voice 27B: speech, reasoning and tool use in one model

ServiceNow-AI · hf · 2026-11-02

ServiceNow AI open-sources Apriel Voice 27B Preview, a speech-language model built on a post-trained Gemma 4 26B-A4B checkpoint that unifies speech understanding, reasoning, and tool calling in a single backbone — no separate dialogue model needed. A two-stage procedure with online distillation yields 98.90 on Big Bench Audio, 81.13 on Speech-BFCL, and 65.51% on τ-Voice in thinking mode, with 1.91s mean latency. Demo and custom serving platform available.

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