Grok Voice Think Fast 1.0

Published

Apr 23, 2026

Grok Voice Think Fast 1.0 is an AI model developed by xAI (United States), first published in April 2026. It works in the audio domain, on tasks such as speech-to-speech.

Epoch AI has no training-compute estimate for this model.

Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as likely.

Full record

Organization: xAI
Country of organization: United States
Domain: Audio
Task: Speech-to-speech
Model accessibility: API access
Open weights: No
Epoch confidence: Likely