Voice AI
5 pieces on Voice AI.
News & Analysis
Grok Voice Transcribe 2.0 Cuts Short-Phrase WER From 20.6% to 6.8%
SpaceXAI's Grok Voice Transcribe 2.0 claims 2x accuracy over 1.0 at unchanged pricing: $0.10/hr batch, $0.20/hr streaming.
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Gradium TTS: 81.0% Hard-Case Accuracy at 216 ms First Audio
Gradium AI's new default TTS model posts 81.0% on a 500-sentence hard-case eval and 216 ms P50 latency with a 30 ms interquartile spread.
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Sonic-3.6 Hits 1,283 Elo and Leads Both Artificial Analysis Speech Arenas
Cartesia's Sonic-3.6 tops both Artificial Analysis speech leaderboards with 1,283 Elo (Provider Voice) and 1,123 Elo (Controlled Voice), at $49/1M characters.
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Wispr Raises $280M at $2B Valuation, Targets Meeting Transcription
Wispr closes a $280M Series B at a $2B valuation, launches speech model Canto to cut error rates from 30% to under 10%, and enters meeting notes.
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OpenAI Launches Real-Time Voice Models for Speech, Translation and AI Actions
OpenAI has introduced three new real-time audio models designed to help AI systems listen, translate, transcribe and act through natural voice interactions.
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