Grok Voice Transcribe 2.0 hits 3.4% WER on first partial transcript, trading speed for accuracy
ArtificialAnlys · x · 2026-09-19
More streaming numbers from Artificial Analysis: Grok Voice Transcribe 2.0's first partial transcript achieves 3.4% WER at 0.49s — slightly more accurate than Muse Voice Transcribe and ElevenLabs Scribe v2 Realtime (both 3.6%) but slower. It also beats Cartesia Ink-2 with external endpoints (4.0% WER / 0.07s) and AssemblyAI U3.5 Realtime Pro (4.0% WER in both modes). Its final transcript tops the chart at 2.7% WER, #1 of 33 streaming models.
Related event: xAI Launches Grok Voice Transcribe 2.0, Tops Streaming ASR Leaderboard(15 posts)→
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