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Alibaba Qwen-Audio-3.1-TTS-Plus Alibaba (Qwen) · text-to-speech (TTS) API

Listener Elo 1,301 ±16 on Artificial Analysis (read October 22, 2026); latency not measured.

Benchmark summary: No speed tier: Coval, the source of the tiers, does not measure this model.

Alibaba Qwen-Audio-3.1-TTS-Plus is a proprietary text-to-speech (TTS) API from Alibaba (Qwen), measured by one independent benchmark, Artificial Analysis.

Speed tier

Not measured by Coval

No speed tier: Coval, the source of the tiers, does not measure this model.

Median time to first audioCoval, 30 days
—
P95 time to first audio (slow turns)Coval, 30 days
—
Naturalness EloSpeko
not rated
Listener Elo (95% interval)Artificial Analysis
1,301 ±16
Numbers and dates (0 to 1)Speko
not rated
List price per 1M charactersall sources
$19.3
  • Customer service (Artificial Analysis): 4th, Elo 1339 ±32

Data read October 22, 2026. No combined score: methodology

Gradium TTS vs Alibaba Qwen-Audio-3.1-TTS-Plus Fastest TTS APIs, by speed tier

Speed

Neither Coval nor Speko measures Alibaba Qwen-Audio-3.1-TTS-Plus' latency, so it has no speed tier and does not appear in the speed tiers.

Voice quality

In the Artificial Analysis Speech Arena it holds 1,301 ±16 Elo (95% interval), 3rd highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 4th, at 1,339 Elo.

Numbers and dates

Speko has not scored its pronunciation of numbers and dates.

Price

Artificial Analysis lists $19.3. List prices, as each source prints them.

Benchmark measurements

Artificial Analysis Speech Arena

Customer service rank
4
Customer service Elo
1,339
Customer service Elo 95% interval (±)
32
Speech Arena Elo (blind listener preference)
1,301
Elo 95% interval (±)
16
Arena rank
3
Arena rank range
3-4
Arena appearances
1,977
Voices tested
8
Price per 1M characters
19.3 USD
Released
Sept 2026
Artificial Analysis model
Qwen-Audio-3.1-TTS-Plus
Artificial Analysis leaderboard
artificialanalysis.ai

Price (all sources)

Lowest list price per 1M characters
19.3 USD
Highest list price per 1M characters
19.3 USD

Not collected

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