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Palabra

palabra-tts-v1

Measured 2026-07-03

Run palabra-tts-v1 on Speko →

One API, every model on this board.

Naturalness

1520

Win % · 95% CI

—

Drift

11

Synth p50

72ms

72–79 p50–p90

Robustness

0.16

Fined:

• fatal · currency — dropped the minus sign (7 of 7 transcripts)

→ we sent “The balance is -$12.50.”

→ it said “The balance is $12.50.”

• fatal · dates — never said “friday” or “sunday” (10 of 29 transcripts)

→ we sent “The fair runs Fri–Sun, Oct 9–11.”

→ it said “The fair runs Fri-Sun, October ninth-eleven.”

• fatal · decimals — never said “plus or minus” or “zero point zero five” or “millimetre” (6 of 7 transcripts)

→ we sent “Tolerance is ±0.05 mm on that part.”

→ it said “Tolerance is not you too zero five mon that part.”

+ 19 more fined

Cost / 1M chars

$30.0

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