This chart on Agentic Performance (τ-Voice) provides a snapshot of the current landscape for full-duplex voice models in customer service scenarios. While Grok’s performance is impressive, the fact that the top score is only 52.1% suggests that "AI Agents" still have a long way to go before fully mastering the complexities of human-level customer support. Key Insights: • xAI Dominance: Grok Voice Think Fast 1.0 leads the pack significantly with a 52.1% resolution rate, making it the only model to cross the 50% threshold. • The Competitive Gap: OpenAI’s GPT-Realtime-2 (39.8%) and Google’s Gemini 3.1 Flash Live (37.7%) follow behind, revealing a notable performance gap between Grok and its primary rivals. • Agentic Evolution: The data highlights a shift from simple transcription to "agentic" capability—the power to actually resolve tasks autonomously.