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Grok Free vs SuperGrok compared for 2026: prices from Lite to Heavy, weekly usage limits, Grok 4.6, Expert mode, video, Grok Bot, and how X Premium fits in.
xAI released Grok 4.6 on August 12, 2026. Here is what changed vs Grok 4.5, the real pricing with the 200K threshold, and how it compares to GPT-5.6 and Claude.