Elons Xai Grok Gets 2X Faster After Devs Re-Write Code in 3 Days

Lex Fridman Podcast of AI

XAI's AI model Grok 2 received a significant speed boost after developers rewrote the inference code stack using SG Lang in just three days. This open-source system executed complex language model programs and achieved higher throughput. The developers, Liam Zhang and Sied Melik, accomplished this feat, resulting in Grok 2 being two times faster and slightly more accurate. The success of this update sets a precedent for improving AI models without the need for retraining or expensive infrastructure. Grok 2 has also secured the number two spot on the Limsis chatbot arena leaderboard, with impressive user ratings.

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00:00 Introduction to XAI and Grok

02:14 Code Rewrite and Speed Boost with SG Lang

03:13 SG Lang: Efficient Language Model Execution

05:34 Grok 2 Ranks Second on LimSis Leaderboard

07:26 XAI's Progress with Grok and Image Generation