ToolsThe story, in brief
SpaceXAI Releases Grok Voice Transcribe 2.0: A Speech-to-Text API Claiming 2x Accuracy Over 1.0 at $0.10 per Hour
WER dropped from 20.6% to 6.8% across 19 languages. Grok Voice Transcribe 2.0 is live at the same $0.10/hour price.
The KeyNews take
Why it matters
A meaningful capability jump in a commodity API service. Practitioners using speech-to-text should evaluate whether the 3x WER improvement justifies migration; the stable pricing removes friction.
The key facts
10 to knowShort-phrase WER: 20.6% → 6.8% (68% reduction)
19 languages supported
Pricing: $0.10/hour batch, $0.20/hour streaming (unchanged)
Available immediately via Grok Voice API
Supports batch and streaming audio
Published Sep 18, 2026
WER improvement: 20.6% → 6.8% (short-phrase, 19 languages)
19-language support
Batch and streaming modes
Available today via Grok Voice API
Go to the source
MarkTechPostmarktechpost.com
Publisher excerpt: SpaceXAI has released Grok Voice Transcribe 2.0, its newest speech-to-text model for batch and streaming audio. The company says it is twice as accurate as version 1.0 at the same price. Short-phrase word error rate across 19 languages fell from 20.6% to 6.8%. Pricing stays at $0.10 per hour for…