Grok 4.6

SpaceXAI released Grok 4.6 on August 12, 2026, focusing on long-running agents, coding, and interactive visual work. The model scored 61 on the Artificial Analysis Intelligence Index, matching GPT-5.6 Sol and surpassing Kimi K3. While Anthropic's Claude Opus 5 and Fable 5 maintain the top positions, Grok 4.6 shows significant improvements over Grok 4.5 High. This release aims to reduce costs for enterprise workloads, contributing to a stock boost for SpaceX as it expands its AI revenue.