MicrosoftReleased Mar 30, 2026

Azure HD 2.5

Provider endpoints0

Benchmark results1

Measured performance

Benchmark results

All leaderboards ↗

AA Provider Voice TTS Arena ↗Unversioned · provider native voices

1,134.88

Provider native voices · all categories · US + UK accents · 8 listed voices

95% CI 1,122.88–1,146.88 · n=2,807

Independent resultChecked Oct 17, 2026

Access & cost

Prices across providers

0 quotes

No listed provider price

Artificial Analysis Provider Voice Arena ↗

Model specifications

Developer: Microsoft
Modality: Audio
Context: Not reported
Maximum output: Not reported
Weights: Closed weights
Released: Mar 30, 2026
First discovered: Oct 16, 2026

Exact identities

aa-tts59719e55-ec01-44c4-8c40-8ec20242520d

Sources

Artificial Analysis Provider Voice Arena ↗

Updated Oct 17, 2026

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