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asyncReleased May 25, 2026

Async Flash v1.5

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Provider endpoints0
Benchmark results1
Measured performance

Benchmark results

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AA Provider Voice TTS Arena ↗Unversioned · provider native voices
1,138.22

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

95% CI 1,126.22–1,150.22 · n=2,478

Independent result
Access & cost

Prices across providers

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No listed provider price

Artificial Analysis Provider Voice Arena ↗

Model specifications

Developer
async
Modality
Audio
Context
Not reported
Maximum output
Not reported
Weights
Closed weights
Released
May 25, 2026
First discovered
Oct 16, 2026

Exact identities

  • aa-ttsbfd67e0a-80d2-4fdd-ac5f-1911f2791ed0

Sources

Artificial Analysis Provider Voice Arena ↗

Updated Oct 17, 2026

More from async

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asyncListed Jun 18

Async Text to Speech Pro V1.0

Generate professional-quality voiceovers in seconds with Async TTS Pro model text-based control over pauses, emphasis, and timing. Voice ids can be found at https://async.com/developer/voice-library

No reported score
No reported score
Price not listed
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