XAI just released Grok 4.1 Fast. It is fast model that is leading AI agent ranking. It has real-time X data, web browsing, and code tools. Elon Musk says Grok 4.20 should release by Xmas. It will upgrade top benchmarks where Grok 4.1 Fast scored perfectly in agentic tool use and beat rivals like GPT-5 ...

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Link :
https://www.nextbigfuture.com/2025/11/xai-released-grok-4-1-fast-to-top-agentic-leaderboard-grok-4-2-by-xmas-grok-5-q1-2026.html