Audio modelPreview
MAI-Voice-2.1-Flash
Microsoft
- Released
- October 1, 2026
- Data date
- October 3, 2026
- Model class
- Languages
- Access
MAI-Voice-2.1-Flash is the low-latency variant of Microsoft’s current speech synthesis line. It supports the same 23 languages and 26 locales and can generate up to 45 seconds of audio in one generation.
Microsoft cites about 150 milliseconds end to end and a price of $15 per 1M characters. The Foundry API identifier is mai-voice-2-1-flash. Access is a public preview without an SLA, and the weights are not public.
Specifications and access
| Specification | Value and source |
|---|---|
| Model class | Low-latency speech synthesisSource |
| Access | Microsoft Foundry APISource |
| Input | TextSource |
| Output | AudioSource |
| API model ID | mai-voice-2-1-flashSource |
| Preview terms | Public preview without an SLASource |
| Languages | 23 languages and 26 localesSource |
| Latency | About 150 milliseconds end to endSource |
| Generation limit | Up to 45 seconds of audioSource |
Published prices
Prices apply to the stated unit. Resolution, output length, and provider can change the cost.
- Price
- $15 per 1M charactersSource
Sources and data date
Every statement links to its underlying documentation or leaderboard.
| Type | Evidence and data date |
|---|---|
| Research status | Research date October 4, 2026. 1 source URLs checked. This documents the inspected sources, not an exhaustive inventory of every publication. |
| Not published | quality-benchmarks Original wording No exact quality/MOS benchmark; 150 ms is an operational latency claim. |
| Additional source | Microsoft MAI Voice preview documentation (retrieved October 3, 2026) · Microsoft MAI Voice preview documentation · Editorial description reviewed October 3, 2026 |
| Additional source | Microsoft MAI Voice announcement (retrieved October 3, 2026; October 4, 2026) · Microsoft MAI Voice announcement · Editorial description reviewed October 3, 2026 |
| Additional source | Microsoft MAI-Voice-2.1 model page (retrieved October 3, 2026) · Microsoft MAI-Voice-2.1 model page · Editorial description reviewed October 3, 2026 |