The gap at the top of AI is closing fast. Multiple models now score at the same level with Grok-4.20 Expert Mode and GPT-5.4 Pro (Vision) leading the latest benchmark. But the bigger signal isn’t who’s #1. It’s how quickly performance is converging. When top models are
AI Model Performance Gap Narrows: Grok-4.20 and GPT-5.4 Converge
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