RT Artificial Analysis (@ArtificialAnlys)xAI’s new Grok Voice Agent is the new leading Speech to Speech model, surpassing Gemini 2.5 Flash Native Audio and GPT Realtime in our Big Bench Audio benchmarkThe new model achieves a score of 92.3% on Big Bench Audio, just ahead of the previous leader, Google’s Gemini 2.5 Flash Native Audio Thinking. This model is @xAI’s first public Speech to Speech API, bringing increased competition to the space. The model has tool calling support and xAI has said it’s ready to ...