According to Beating Monitor, SpaceXAI has released Grok Voice Think Fast 2.0, a voice agent model designed for customer service, sales, and phone-based scenarios, capable of understanding users, generating spoken responses, and invoking tools. The new version significantly enhances reasoning, transcription, and conversational abilities. Independent evaluations by Artificial Analysis show its overall voice score at 82.9%, ranking second behind Qwen Audio 3.0 Realtime Plus at 84.1%. In the τ-Voice benchmark measuring voice agents’ performance in customer service tasks, it leads with a score of 56.5%, surpassing Qwen’s 54.6% and GPT-Realtime-2.1 High’s 45.7%. The first response latency is just 0.70 seconds. Performance improvements are accompanied by a price increase: the API cost has risen from $0.05 per minute to $0.08 per minute—a 60% increase—resulting in an hourly audio cost of $4.80.
Grok Voice Think Fast 2.0 Ranks First in Agent Benchmark, API Price Increases by 60%
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Summary
SpaceXAI's Grok Voice Think Fast 2.0 leads the τ-Voice benchmark with a 56.5% score, outperforming Qwen and GPT-Realtime. The model delivers 0.70-second response times with enhanced dialogue and transcription capabilities. API pricing has increased by 60%, now at $0.08 per minute. Crypto price news highlights the model’s impact on voice-based agent markets, with new token listings potentially following as adoption grows.
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