SpaceXAI launches a $0.20-an-hour transcriber that tops streaming accuracy
Grok Voice Transcribe 2.0 reached 2.7% final word error at 0.49 seconds, while its batch result placed fifth in Artificial Analysis testing.
By Ryan Merket · Published · Updated
Primary source: Artificial Analysis
Why it matters
SpaceXAI is using low prices and benchmark-leading streaming accuracy to sell Grok as voice infrastructure, although faster rivals and stronger batch models keep the market open.
SpaceXAI released Grok Voice Transcribe 2.0 on September 18th, pairing the lowest word error rate in Artificial Analysis' streaming benchmark with a price of $0.20 per hour of audio.
Artificial Analysis reported in a six-post thread that the model produced a 2.7% word error rate, or WER, on its first final transcript, down from 3.9% for Grok Voice Transcribe 1.0. The result put version 2.0 first for final-transcript accuracy among the 33 models in the evaluator's latest test.…
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