Grok Voice Transcribe 2.0 cuts short-phrase WER from 20.6% to 6.8%, tops streaming STT
nima_owji · x · 2026-09-20
Grok Voice Transcribe 2.0 is out, and the author argues it's a real jump rather than a rename:
- 2x accuracy improvement over version 1.0
- Ranks #1 in streaming STT on Artificial Analysis
- Word error rate on short phrases dropped from 20.6% to 6.8%
- Pricing unchanged at $0.10 / $0.20
For developers building real-time transcription, captioning, or voice-input features, the streaming accuracy gains are the headline.
Related event: xAI Releases Grok Voice Transcribe 2.0, Claims Best-in-Class Accuracy(2 posts)→
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