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ElevenLabs

eleven_v3_conversational

Measured 2026-07-03

Run eleven_v3_conversational on Speko →

One API, every model on this board.

Naturalness

1590

Win % · 95% CI

66%

60–72%

Drift

20

Synth p50

266ms

265–268 two-sweep p50

Robustness

0.30

Fined:

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

→ we sent “A refund of -$0.99 was applied.”

→ it said “A refund of 99 cents was applied.”

• fatal · large numbers — never said “three point four million” (37 of 43 transcripts)

→ we sent “The clip hit 3.4M views and 1.2k shares.”

→ it said “The clip hit three point four M views and one point two k shares.”

• fatal · math operators — never said “greater than or equal to” (47 of 49 transcripts)

→ we sent “Keep x ≥ 10 at all times.”

→ it said “Keep X ten at all times.”

+ 11 more fined

Cost / 1M chars

$50.0

v3 Conversational is its own $0.05/1k product on elevenlabs.io/pricing/api, half the plain v3 rate. The FAQ on that same page collapses the two at $0.10/1k; the itemized card and the per-plan table both say $0.05, so they win.

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