According to @godofprompt on Twitter, Grok 4 Fast has introduced a groundbreaking 2 million token context window, far surpassing competitors like Claude (400k tokens) and Gemini (1M tokens). This advancement allows businesses to input entire codebases, complete product documentation, and all customer conversations in a single prompt, eliminating the need for piecemeal document uploads and context switching. Grok 4 Fast has also achieved a leap in reasoning accuracy, improving from 77% to 94% within weeks, indicating substantial advancements in natural language understanding and practical AI applications. For enterprises, this unlocks new opportunities for comprehensive data analysis, seamless knowledge management, and faster deployment of large-scale AI solutions. The speed and capacity of Grok 4 Fast position it as a leader in the AI industry, setting a new standard for large language model capabilities (Source: @godofprompt, Twitter, Nov 10, 2025).