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XAI (SPACEXAI) · MODEL RELEASE TRACKER

Grok Voice (audio foundation model)

An audio/speech foundation model from xAI (SpaceXAI) that underlies Grok Voice products and supports speech-to-text applications in production.

CURRENT SNAPSHOT2/5 DIMENSIONS WITH DATA

The dimensions that change the decision.

PRICING

Not established from the available sources.

CONTEXT WINDOW

Not established from the available sources.

MODALITIES
ModalityAudio / speech (foundation model for speech-to-text)
BENCHMARKS

Not established from the available sources.

AVAILABILITY
Production deployment and usageGrok Voice powers tens of thousands of customer-support calls per day, transcribes millions of hours of video narration, and runs voice agents in physical products, including the Grok assistant in Tesla vehicles.

RELEASE TIMELINE

Published, source-backed release events only.

1 SOURCES · IMPORTANCE 7.0

SpaceXAI releases Grok Voice Transcribe 2.0 speech-to-text model

SpaceXAI announced Grok Voice Transcribe 2.0, an updated speech-to-text model built on the Grok Voice audio foundation. The company says it is twice as accurate as Grok Voice Transcribe 1.0 in real-world tests, ranks first on the Artificial Analysis streaming leaderboard, supports dozens of languages with automatic detection and speaker diarization, and keeps the same pricing and API compatibility as 1.0 while the older version is phased out.

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VERIFIABLE FACTS

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AVAILABILITY · Production deployment and usageDEVELOPER CLAIM

Grok Voice powers tens of thousands of customer-support calls per day, transcribes millions of hours of video narration, and runs voice agents in physical products, including the Grok assistant in Tesla vehicles.

WHAT CHANGED

Stored passport versions, without reconstructed history.

Passport created2 facts