Grok Voice 2.0

Model at SpaceXSI

Default change

grok-voice-latest moves to Grok Voice 2.0 on August 5

xAI released grok-voice-2.0 for Speech to Speech and said the grok-voice-latest alias would route to it starting August 5, 2026.

Before

Previous Grok Voice model

After

grok-voice-2.0

Who is affected:
Voice apps that call the grok-voice-latest alias.
What to do:
Pin a specific grok-voice model version if you need stable behavior.

Source

"grok-voice-latest will route to this model starting August 5, 2026."

xAI API release notes

Published

Open the sourcedocs.x.ai

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