MAI-Voice-2.1 / MAI-Voice-2.1-Flash
Successor to MAI-Voice-2 (Build, June 2026). Exact API model ids not verified.
- Input
- text
- Output
- audio
- License
- proprietary
- Pricing
- per 1m characters: $22 (USD per 1M characters (MAI-Voice-2.1); MAI-Voice-2.1-Flash is $15 per 1M characters) source
- Verified
- 2026-10-02
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| Microsoft Foundry | — | — | docs |
| OpenRouter | — | openrouter.ai/ | — |
| Web app (MAI Playground) | — | playground.microsoft.ai/ | — |
Notable capabilities (2)
- Cross-lingual voice with native accent: 23 languages / 26 locales; a single voice keeps its native accent across languages; consent-gated voice cloning. source
- Low-latency Flash variant: MAI-Voice-2.1-Flash: 150 ms end-to-end latency, 55% faster inference, $15 per 1M characters. source
Timeline entry
- Microsoft AI launches MAI-Transcribe-2-Streaming (real-time ASR) and MAI-Voice-2.1 / 2.1-Flash ★★
On Oct 1, 2026 Microsoft AI released MAI-Transcribe-2-Streaming, its first streaming speech-recognition model (first hypotheses in just over 100 ms, 60 languages, $0.54/hour through year-end), and two text-to-speech models, MAI-Voice-2.1 ($22 per 1M characters) and MAI-Voice-2.1-Flash (150 ms…
Other Microsoft models
MAI-Transcribe-2-Streaming · Phi-4-Reasoning-Vision-15B · VibeVoice (ASR, ASR-Streaming, ASR-BitNet, Realtime-0.5B TTS) · MAI-Transcribe-2 · MAI-Voice-2 / MAI-Voice-2-Flash · Phi-4 (14B)