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Vibe Voice 1.5B


Vibe Voice 1.5B is Microsoft's text to speech model. A 1.5-billion-parameter voice generation model from Microsoft Azure's Vibe Voice series, designed for expressive and controllable speech synthesis.
Specifications
Canonical IDmicrosoft-vibe-voice-1-5b
TypeText to Speech
StatusActive
CreatorMicrosoftMicrosoft
Input ModalitiesText
Output ModalitiesAudio
Parameters1.5B
Benchmarks
Elo Rating
958
#250

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Vibe Voice 1.5BCurrent
Vibe Voice 7BAvailable

Model IDs