← Text-to-Speech

Bland

bland-speech

Measured 2026-08-20

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One API, every model on this board.

Naturalness

1569

Win % · 95% CI

—

Drift

12

Synth p50

303ms

303–386 p50–p90

Robustness

0.22

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 · 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.”

+ 15 more fined

Cost / 1M chars

$40.0

Pay-as-you-go, $0.04/1,000 chars on bland.ai/speech, which states the same rate as "1 million characters total $40". The per-minute figures on bland.ai/pricing are the voice-agent bundle, not this API.

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