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VibeVoice 1.5B — and what?

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 1 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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VibeVoice 1.5B
microsoft/vibevoice
Provider
Microsoft
Family
Modality
audio-tts
Context window
Max output
Released
License
Open-weight
Per minute
$0.040 /min
Tools
Streaming
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
View model →
VibeVoice 1.5B
microsoft/vibevoice
Full spec →

Generate long, expressive multi-voice speech using Microsoft's powerful TTS

Strengths
  • Natural speech synthesis
Use cases
VoiceoversAudiobooks