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ElevenLabs

eleven_v4

Measured 2026-09-28

Naturalness

1708

Win % · 95% CI

—

Drift

—

Synth p50

844ms

798–864 three-sweep p50

Robustness

0.90

Fined:

• minor · formatting · promptable — said “slash” out loud (48 of 49 transcripts)

→ we sent “Would you like the bar and/or dining menu?”

→ it said “Would you like the bar and slash or dining menu?”

• minor · times · promptable — said “slash” out loud (41 of 49 transcripts)

→ we sent “Meet at 8:45 a.m. PT / 11:45 a.m. ET.”

→ it said “Meet at eight forty-five AM Pacific Time slash eleven forty-five AM Eastern time.”

Cost / 1M chars

$80.0

elevenlabs.io/pricing/api lists $0.08/1k, discounted 72% to $0.022/1k until 2026-10-12.

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