Qwen
qwen3-tts-flash
Measured 2026-07-03
Run qwen3-tts-flash on Speko →One API, every model on this board.
Naturalness
1310
Win % · 95% CI
21%
16–27%
Drift
21
Synth p50
472ms
472–504 p50–p90
Robustness
0.15
Fined:
• fatal · currency — dropped the minus sign (3 of 5 transcripts)
→ we sent “The balance is -$12.50.”
→ it said “The balance is twelve point five dollars.”
• fatal · dates — never said “nineteen nineties” (31 of 35 transcripts)
→ we sent “This design dates to the 1990s.”
→ it said “This design dates to the one thousand nine hundred and nineties.”
• fatal · decimals — never said “zero point zero zero zero zero zero one” (24 of 31 transcripts)
→ we sent “The drift is 0.000001 per cycle.”
→ it said “The drift is oh point oh oh oh oh one per cycle.”
+ 12 more fined
Cost / 1M chars
$10.0
International (Singapore) list: $0.10 per 10,000 input characters, output audio not billed (alibabacloud.com/help/en/model-studio/model-pricing). A true per-character rate, no conversion. Mainland-China scope is ~$0.115/10k.
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