Qwen
qwen-audio-3.1-tts-plus
Measured 2026-10-30
Run qwen-audio-3.1-tts-plus on Speko →One API, every model on this board.
Naturalness
1402
Win % · 95% CI
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Drift
—
Not measurable: repeated requests for the same text returned identical audio.
Synth p50
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Robustness
0.19
Fined:
• fatal · currency — dropped the minus sign (5 of 5 transcripts)
→ we sent “The balance is -$12.50.”
→ it said “The balance is 12.50.”
• fatal · dates — never said “october” or “two” (5 of 5 transcripts)
→ we sent “The deadline moved to 10/02.”
→ it said “The deadline moved to 10 February.”
• fatal · decimals — dropped the minus sign (5 of 5 transcripts)
→ we sent “Growth slowed to -0.5% this month.”
→ it said “Growth slowed to 0.5% this month.”
+ 16 more fined
Cost / 1M chars
$30.0
International (Singapore) list: $0.30 per 10,000 input characters (alibabacloud.com/help/en/model-studio/model-pricing).
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