X @Elon Musk
Elon Muskยท2025-11-07 19:59
Grok upgradesxlr8harder (@xlr8harder):Someone from xAI reached out and asked me to retest grok-4-fast, because they've improved the injected system prompts. Huge improvement!grok-4-fast-reasoning: 77.5% -> 94.1%grok-4-fast-non-reasoning: 77.9 -> 97.9%I really appreciate that xAI takes this topic seriously. https://t.co/mfERpYncE3 ...