708.8 ms P50 time-to-first-audio on Coval; ranked 84th of 112 in the TTS for Voice Agents 2026 index.
Benchmark summary: 4.3/100, ranked 84th of 112 in the TTS for Voice Agents 2026 index (Listed). Strongest criterion: real-time speed, 4.3 of 60 points.
Alibaba Qwen3 TTS Flash Realtime is a proprietary text-to-speech (TTS) API from Alibaba (Qwen), measured by one independent benchmark, Coval.
Overall score
4.3 /100
Data checked on September 30, 2026
Updated after each benchmark capture
Every point comes from a public benchmark: sources · methodology
Alibaba Qwen3 TTS Flash Realtime ranks 84th of 112 in the 2026 text-to-speech (TTS) API benchmark, with a score of 4.3/100.
On Coval's 30-day window ending October 1, 2026 (11,470 runs), Alibaba Qwen3 TTS Flash Realtime has a P50 (median) time-to-first-audio (TTFA) of 708.8 ms, 31st lowest of the 31 models Coval measures. Its P99, the slowest 1% of turns, is 4,208.7 ms (29th lowest of the 31 models Coval measures). Latency consistency: a standard deviation of 566.7 ms (28th lowest of the 31 models Coval measures). Mean time to first byte (TTFB) is 646.2 ms.
Coval measures an accuracy (word error rate) of 8.7% over 11,450 samples on the same window, 31st lowest of the 31 models Coval measures.
Neither Artificial Analysis nor Speko rates its voice quality, so it counts 0 of 20.
No price is published by Artificial Analysis or Speko for this model; price counts 0 of 5.
NVIDIA Magpie-Multilingual 357M (Feb 2026) is an open-weights text-to-speech (TTS) API from NVIDIA, measured by one independent benchmark, Artificial Analysis.
ElevenLabs Turbo v2 is a text-to-speech (TTS) API from ElevenLabs, measured by one independent benchmark, Speko.
Google Gemini 2.5 Pro (Dec 2025) is a proprietary text-to-speech (TTS) API from Google, measured by one independent benchmark, Artificial Analysis.