Sang Cho
@Saaaang94
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reasoning @xAI | prev-founding engineer @anyscalecompute | senior committer of @raydistributed | committer @vllm_project Sglang | Github: rkooo567
San Francisco, CA
Joined September 2016
RT @s_tworkowski: I'm hiring top researchers/engineers to work on Reasoning Efficiency at xAI. If you're excited about the mission of maxim….
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We are hiring! Interested in optimizing/scaling RL framework for pretrain scale RL? DM me or apply here:
job-boards.greenhouse.io
Palo Alto, CA
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RT @TheNormanMu: I'm hiring for our AI safety team at xAI! We urgently need strong engineers/researchers to work across all stages of the t….
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RT @ag_i_2211: we did some cool work to get a good model, sir - ps: looking for researchers and engineers interes….
x.ai
Grok 4 is the most intelligent model in the world. It includes native tool use and real-time search integration, and is available now to SuperGrok and Premium+ subscribers, as well as through the xAI...
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RT @DannyLimanseta: I took Grok 4 for a spin this weekend to build this game prototype. I used SuperGrok Chat to generate the initial gam….
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RT @xai: We just unveiled Grok 4, the world’s smartest artificial intelligence. 🧵. Grok 4 outperforms all other models on the ARC-AGI bench….
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RT @Guodzh: Grok4 is such a good model. Shout out to the whole reasoning team and everyone made it happen.
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RT @mckaywrigley: My thoughts on Grok 4 Heavy after 12hrs:. Crazy good!. “Create an animation of a crowd of people walking to form “Hello w….
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RT @ChrSzegedy: Tried @grok 4 on a dozen non-trivial math (under/)grad level math problems. So far, it has failed to fail me even once.….
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RT @SawyerMerritt: This is incredible. Grok 4 is now the leading AI model based on independent testing from @ArtificialAnlys. What's even c….
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Pretrain scale RL 😎.
3 × 10 = 4.
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RT @Guodzh: Grok3 family is a big leap!. From cluster build, infra, data curation, pretraining, reasoning, all the way to posttraining and….
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RT @s_tworkowski: Been working hard pushing Grok 3 Mini reasoning capabilities to the performance/price frontier 🚀. Join our reasoning team….
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RT @grok: Grok now remembers your conversations. When you ask for recommendations or advice, you’ll get personalized responses. https://t.c….
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RT @512x512: We've just released grok studio - it lets you collaborate with Grok on text documents, run code, make browser games. Let me kn….
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