November 8, 2025@elonmusk →
“Grok upgrades [@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.”
Engagement vs. median curated tweet
30.2K
Likes
4.1K
Retweets
3.2K
Replies
Companies involved
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