Grok 4.20 just claimed #1 on IFBench (Artificial Analysis) - the gold standard for instruction following 81% score. Outranking every other m…

Grok 4.20 just claimed #1 on IFBench (Artificial Analysis) - the gold standard for instruction following 81% score. Outranking every other model And here is what that actually means - When you ask Grok to do something, it doesn't give you a close enough answer. It doesn't approximate. It doesn't go off-script It follows your instructions. Precisely. Every time xAI is not just racing to build the most intelligent AI - they are also building the most reliable one An AI that actually listens to you...

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Source: Elon Musk (X) | 2026-04-11