Monday, August 3, 2026

SpaceXAI unveils faster Grok Voice Think Fast 2.0 model

By Venture AtlasCorrections
xAI

xAI announced Grok Voice Think Fast 2.0 on July 29, 2026, a speech-to-speech voice model with improved transcription accuracy, reasoning and tool use over the original Think Fast model launched in April. The default grok-voice-latest API alias switches from Think Fast 1.0 to the new model on August 5, with usage priced at $0.08 per minute of audio.

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