← Text-to-Speech 
ElevenLabs
eleven_v4_turbo
Measured 2026-09-28
Naturalness
1670
Win % · 95% CI
—
Drift
—
Synth p50
205ms
203–213 three-sweep p50
Robustness
0.90
Fined:
• minor · formatting · promptable — said “slash” out loud (45 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 (42 of 49 transcripts)
→ we sent “Meet at 8:45 a.m. PT / 11:45 a.m. ET.”
→ it said “Meet at eight forty-five a.m. Pacific time slash eleven forty-five a.m. Eastern time.”
Cost / 1M chars
$40.0
elevenlabs.io/pricing/api lists $0.04/1k, discounted 72% to $0.011/1k until 2026-10-12.
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