Vibevoice 1.5b specs, prices, where it runs and its benchmark standing

Name: Vibevoice 1.5b
Author: Microsoft

open weights · top 10 on 0 of 1 · released Aug 26, 2025

Provider: Microsoft
Release date: Aug 26, 2025; Boards
Parameters: 2.7B total; Hugging Face
Modalities: Text to Audio; Hugging Face
License: MIT; Hugging Face
Hosting: self-host: weights on Hugging Face
Hardware: Estimate: about 5.4 GB of weights as published (BF16), about 2.7 GB at 8-bit, about 1.4 GB at 4-bit, plus memory for the context; Hugging Face config
Weights: Open weights
Benchmarks: 1 board captured

Rank	Board	Category	Score	Of	Over time
87	Speech ArenaSpeech · as “VibeVoice 1.5B”	Speech	953	100

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