Microsoft model product
VibeVoice 1.5B
5B is a text-to-speech (TTS) model from Microsoft.
Updated Sep 8, 2026. Default version: VibeVoice 1.5B
LLMBoard Text-to-Speech Score39.0VibeVoice 1.5B
Coverage35%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable
VibeVoice 1.5B Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
VibeVoice 1.5B Benchmark Results
Benchmark scores for VibeVoice 1.5B.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkArtificial Analysis Text To Speech | Score966.00 elo | Rank80 | Participants96 | Percentile16.84% | EvidenceB | EvaluatedN/A |
VibeVoice 1.5B Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
VibeVoice 1.5B Pricing
Prices are shown in the model's native media unit and resolution tier.
- Native price
- N/A
- Price unit
- N/A
- Tier
- Standard
- Tracked offerings
- 0
No price available
This model does not have a current media price.
Media catalog prices are not converted into token input or output prices.
VibeVoice 1.5B Runtime Performance
Provider-specific output speed and catalog latency for VibeVoice 1.5B. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
VibeVoice 1.5B Specifications
Technical details for the model's default version.
- Version
- VibeVoice 1.5B
- Released
- Unknown
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- text
- Outputs
- audio
- Open weights
- No
- License
- Unspecified
VibeVoice 1.5B Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionVibeVoice 1.5B | ReleasedN/A | LLMBoard38.97 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsNo | LicenseUnspecified |
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What is VibeVoice 1.5B?
Key information about VibeVoice 1.5B and its available data.
5B is a text-to-speech (TTS) model from Microsoft.
Data as of 2026-09-08.
FAQ
Common questions about VibeVoice 1.5B.
When was VibeVoice 1.5B released?
A release date is not available for the default version.
How much does VibeVoice 1.5B cost?
No native catalog price is currently available for VibeVoice 1.5B.
Who created VibeVoice 1.5B?
VibeVoice 1.5B was created by Microsoft.
What is the context window for VibeVoice 1.5B?
A context window is not available for the default version.
Is VibeVoice 1.5B open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer VibeVoice 1.5B?
No provider offering is currently linked to the default version.