Summary of the xAI Announcement (Grok 4.1 Fast Release)xAI just dropped Grok 4.1 Fast — a new high-performance model optimized for tool-calling and agentic workflows. Key highlights:- Massive 2M token context window (perfect for long conversations, deep research, or complex multi-turn tasks).- Trained with long-horizon reinforcement learning on diverse simulated environments → state-of-the-art on real-world enterprise tasks like customer support, coding agents, and research.- Blazing-fast inference + very c ...