472 ms time to first audio on Speko's board (read October 22, 2026); not measured by Coval, so no speed tier.
Benchmark summary: No speed tier: Coval, the source of the tiers, does not measure this model.
Alibaba Qwen3 TTS Flash is a proprietary text-to-speech (TTS) API from Alibaba (Qwen), measured by two independent benchmarks: Artificial Analysis and Speko.
Speed tier
Not measured by Coval
No speed tier: Coval, the source of the tiers, does not measure this model.
Data read October 22, 2026. No combined score: methodology
Gradium TTS vs Alibaba Qwen3 TTS Flash Fastest TTS APIs, by speed tierSpeko's board plots it at 472 ms time to first audio from US East.
Speko rates its naturalness at 1,310 Elo from blind A/B votes on phone-agent lines (43rd highest of the 43 models Speko rates). In the Artificial Analysis Speech Arena it holds 943 ±14 Elo (95% interval), 86th highest of the 98 models Artificial Analysis rates; scores whose intervals overlap are a tie. In its Customer Service category, Artificial Analysis places it 89th, at 954 Elo.
Speko's pronunciation test on numbers, dates and currency scores it 0.15 on a 0-to-1 scale (29th highest of the 30 models Speko scores). This is the accuracy measure used here; Coval's word error rate separates models too little to compare them.
Artificial Analysis lists $11. Speko lists about $10. List prices, as each source prints them: a range of $10 to $11.
Tested in Spanish, German and French by Artificial Analysis or Speko. A language missing here was not tested, which does not mean it is unsupported.
Alibaba Qwen-Audio-3.0-TTS-Plus is a proprietary text-to-speech (TTS) API from Alibaba (Qwen), measured by one independent benchmark, Artificial Analysis.
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.
Alibaba Qwen3 TTS is a proprietary text-to-speech (TTS) API from Alibaba (Qwen), measured by one independent benchmark, Artificial Analysis.