MicrosoftReleased Aug 26, 2025

VibeVoice 1.5B

Provider endpoints0

Benchmark results1

Measured performance

Benchmark results

All leaderboards ↗

AA Provider Voice TTS Arena ↗Unversioned · provider native voices

956.25

Provider native voices · all categories · US + UK accents · 2 listed voices

95% CI 942.25–970.25 · n=2,131

Independent resultChecked Oct 17, 2026

Access & cost

Prices across providers

0 quotes

No listed provider price

Artificial Analysis Provider Voice Arena ↗

Model specifications

Developer: Microsoft
Modality: Audio
Context: Not reported
Maximum output: Not reported
Weights: Open weights
Released: Aug 26, 2025
First discovered: Oct 16, 2026

Exact identities

aa-ttsbd053b0f-5f69-4313-a7e5-5acd71422d4a

Sources

Artificial Analysis Provider Voice Arena ↗

Updated Oct 17, 2026

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