Grok 4.6 matches GPT-5.6 Sol on benchmarks while undercutting its own $300 plan
SpaceXAI's Grok 4.6, released August 12, 2026, scores 61 on the Artificial Analysis Intelligence Index, tying OpenAI's GPT-5.6 Sol and beating Grok 4.5 by five points, while costing $2 per million inp…