Yao Fu(@Francis_YAO_):It was quite a journey working on the pretraining scaling for Grok 4.5 with all amazing colleagues! It feels like a distant life in retrospect. All mist erased and I see only wonders. Look forward to the next chapter!

Yao Fu

@Francis_YAO_

Prev. Grok 4.5/4.6 pretraining scaling @xAI; Gemini 3 perception and project Astra @GoogleDeepMind

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Yao Fu@Francis_YAO_

2026.07.10 21:21

It was quite a journey working on the pretraining scaling for Grok 4.5 with all amazing colleagues! It feels like a distant life in retrospect. All mist erased and I see only wonders. Look forward to the next chapter!

SpaceXAI@SpaceXAI

2026.07.08 17:57

Announcing Grok 4.5, our first model trained specifically for coding and agents. It was trained with Cursor and offers frontier intelligence at leading speeds and cost efficiency.