Qwen
qwen3-tts-flash
Measured 2026-07-03
Naturalness
1310
Win % · 95% CI
21%
16–27%
Drift
21
Synth p50
472ms
472–504 p50–p90
Robustness
0.50
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 · currency — dropped the minus sign (5 of 5 transcripts)
→ we sent “Your balance is -$1,204.50 as of today.”
→ it said “Your balance is $9,204.59 as of today.”
• fatal · currency (international, ×0.4) — dropped the minus sign (5 of 5 transcripts)
→ we sent “Balance: -€45,90 outstanding.”
→ it said “Balance: 45,90 € outstanding.”
• serious · dates — never said “january” or “first” (10 of 16 transcripts)
→ we sent “Renewal falls on 1/1/2027.”
→ it said “Renewal fights on Eins Einsweitausen Siemenfantsen.”
• serious · dates — never said “october” (8 of 16 transcripts)
→ we sent “The deadline moved to 10/02.”
→ it said “The deadline moved to tennis two.”
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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