Elon Musk’s xAI has released its latest artificial intelligence model, Grok 4.6. The company claims the model matches the performance of OpenAI’s GPT-5.6 Sol on the Artificial Analysis Intelligence Index. This index provides a composite score based on nine distinct industry benchmarks. Grok 4.6 features improved capabilities for long-running AI agents and complex visual tasks. Developers can access the model through the company’s API. xAI priced the service at $2 per million input tokens and $6 per million output tokens. The competitive pricing reflects an aggressive strategy to capture market share from industry leaders.