Eleven v4 - ZeroGen Docs

Eleven v4, from ElevenLabs, turns a script into speech. It’s the model in Generate’s Audio generator. See Make audio.

What you give it

Script: up to 10,000 characters. Add audio tags in square brackets, such as [whispering], to direct the delivery.
Voice: one of 21 voices. Choose Play sample to hear one first.

Output settings

Setting	Options
Delivery	How steady the voice is: Creative is the most expressive and varied, Robust the steadiest, and Natural, the default, sits between.
Format	WAV · 44.1 kHz, the default, or MP3 · 192 kbps.

Each run makes one clip.

Cost

Eleven v4 is priced by the length of the script, per 1,000 characters. Delivery and format don’t change the price. A 1,000-character script costs about $0.11, and a 10,000-character script about $1.04. Prices are as of October 28, 2026.