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xAI

xAI v1 TTS

xAI text-to-speech v1.

tts-xai-v1

Pricing

~40%
Characters
$0.01125 / 1,000 characters
How pricing works

Discount history

40%
Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input
text
Output
audio
Availability
Uncapped capacity
Updated
11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

AudioVoicesResponse formatSpeed

Supported parameters

modelinputvoiceresponse_formatspeed

voices: altair, ara, atlas, carina, castor, celeste, cosmo, eve, helios, helix, iris, kepler, leo, lumen, luna, lux, naksh, orion, perseus, rex, rigel, sal, sirius, ursa, zagan, zenith

response formats: mp3, wav, pcm