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Alibaba (Qwen) · Proprietary · Read 2026-10-27

Alibaba Qwen-Audio-3.1-TTS-Plus: latency, voice quality, price and languages

Rank
not ranked
Speed tier
n/a
P95
n/a
Price / 1M chars
$19.30

Alibaba Qwen-Audio-3.1-TTS-Plus is a proprietary text-to-speech model from Alibaba (Qwen). Coval does not measure its latency, so it has no speed tier and no rank. No source tested it in a language other than English.

This summary is generated from the measures below; it is not a vendor description. Measures a source does not hold are shown as n/a and are never estimated.

Speed (Coval, 30 days, US East, English)

Speed tiern/a
Median time to first audion/a
P90n/a
P95n/a
Meann/a
Standard deviationn/a
Calls in the windown/a
Cekura median, streamed textn/a
Cekura median, full textn/a

Voice quality (never added together)

Listener Elo (Artificial Analysis)1,306 ±15
Customer-service Elo (Artificial Analysis)1,349 ±30
Naturalness (Speko)n/a
Naturalness estimate (Cekura, 1 to 5)n/a

Accuracy

Reading accuracy (Cekura)n/a
Numbers (Cekura)n/a
Codes (Cekura)n/a
Context (Cekura)n/a
Medical terms (Cekura)n/a
Hard passages judged correct (Artificial Analysis)84.6%
Numbers and dates (Speko score)n/a
Word error rate (Coval)n/a

Price per 1 million characters

Range across sources$19.30
Artificial Analysis$19.30
Spekon/a
Covaln/a
Cekuran/a

Coverage

AccessProprietary
StreamingVendor documentation
Coval tagsn/a
Rated forKnowledge sharing, Assistants, Entertainment, Customer service
Languages testednone beyond English

Not collected

  • Speed (Coval median time to first audio): not measured by Coval (reading of 2026-10-27, 30-day window)
  • Speed (Coval P95 time to first audio): not measured by Coval (reading of 2026-10-27, 30-day window)
  • Naturalness (Speko naturalness): not measured by Speko (reading of 2026-10-27)
  • Numbers and dates (Speko pronunciation score): not measured by Speko (reading of 2026-10-27)

Sources

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Frequently asked questions

How fast is Alibaba Qwen-Audio-3.1-TTS-Plus?
Coval does not measure Alibaba Qwen-Audio-3.1-TTS-Plus, so no latency is published here.
How much does Alibaba Qwen-Audio-3.1-TTS-Plus cost?
The benchmarks print a list price of $19.30 per million characters for Alibaba Qwen-Audio-3.1-TTS-Plus.
Which languages was Alibaba Qwen-Audio-3.1-TTS-Plus tested in?
No source tested Alibaba Qwen-Audio-3.1-TTS-Plus in a language other than English.