← Text-to-Speech

Rime

arcanav3

Measured 2026-07-03

Run arcanav3 on Speko →

One API, every model on this board.

Naturalness

1429

Win % · 95% CI

36%

31–42%

Drift

21

Synth p50

238ms

238–248 p50–p90

Robustness

0.35

Fined:

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

→ we sent “The balance is -$12.50.”

→ it said “The balance is twelve dollars fifty cents.”

• fatal · large numbers — never said “three trillion” (49 of 49 transcripts)

→ we sent “National debt passed 3,000,000,000,000 dollars.”

→ it said “National debt passed three billion, zero zero zero dollars.”

• fatal · units — never said “one twenty over eighty” (44 of 49 transcripts)

→ we sent “Blood pressure was 120/80 this morning.”

→ it said “Blood pressure was one hundred twenty eightyths this morning.”

+ 14 more fined

Cost / 1M chars

$40.0

Arcana on Starter; $30 on Growth. The vendor pricing page contradicts itself — its FAQ quotes $0.05/1k and its card quotes the cheaper Mist rate.

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