Bland
bland-speech
Measured 2026-08-20
Naturalness
~1569
Win % · 95% CI
—
Drift
12
Synth p50
303ms
303–386 p50–p90
Robustness
0.00
Fined:
• fatal · currency — dropped the minus sign (5 of 5 transcripts)
→ we sent “The balance is -$12.50.”
→ it said “The balance is twelve dollars and fifty cents.”
• fatal · currency — dropped the minus sign (7 of 7 transcripts)
→ we sent “Your balance is -$1,204.50 as of today.”
→ it said “Your balance is $1,204.50 as of today.”
• fatal · currency — dropped the minus sign (5 of 7 transcripts)
→ we sent “A refund of -$0.99 was applied.”
→ it said “A refund of ninety-nine cents was applied.”
• fatal · currency (international, ×0.4) — dropped the minus sign (7 of 7 transcripts)
→ we sent “Balance: -€45,90 outstanding.”
→ it said “Balance: 45,090 outstanding.”
• minor · dates — kept the value but never said “december”; a prompt fixes this (8 of 11 transcripts)
→ we sent “We close on Dec 24.”
→ it said “We close on Deck 24.”
• fatal · decimals — dropped the minus sign (6 of 7 transcripts)
→ we sent “Growth slowed to -0.5% this month.”
→ it said “Growth slowed to 0.5% this month.”
• fatal · large numbers — never said “eight point one billion” (7 of 14 transcripts)
→ we sent “Population reached 8,100,000,000 in 2023.”
→ it said “Population reached eight thousand one hundred thousand twenty twenty three.”
• fatal · large numbers — never said “one million” (5 of 8 transcripts)
→ we sent “We shipped 1,000,000 units last year.”
→ it said “We shipped one thousand thousand units last year.”
• fatal · large numbers — never said “eight billion” (5 of 7 transcripts)
→ we sent “The planet now holds 8,000,000,000 people.”
→ it said “The planet now holds eight thousand thousand people.”
• minor · math operators — kept the value but never said “three quarters”; a prompt fixes this (3 of 4 transcripts)
→ we sent “Give me 3/4 of the batch.”
→ it said “Give me three-four of the batch.”
• minor · units — kept the value but never said “miles per hour”; a prompt fixes this (3 of 7 transcripts)
→ we sent “Speed limit is 70mph here.”
→ it said “Speed limit is seventy mlyfres here.”
• minor · units — kept the value but never said “kilometres per hour”; a prompt fixes this (7 of 23 transcripts)
→ we sent “Wind is 25km/h northwest.”
→ it said “Wind is twenty five kilometers northwest.”
• fatal · units — dropped the minus sign (1 of 1 transcripts)
→ we sent “The freezer sits at -18°C all day.”
→ it said “The freezer sits at 18°C all day.”
Cost / 1M chars
$15.0
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