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Jiacheng Zhu Profile
Jiacheng Zhu

@JiachengZhu_ML

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Research Scientist at @AIatMeta GenAI, Postdoc at @MIT_CSAIL and PhD from @CarnegieMellon | Prev. @Apple AI/ML @MITIBMLab | Working on Llama post-training

Joined October 2019
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@JiachengZhu_ML
Jiacheng Zhu
26 days
RT @RickardGabriels: šŸ’” Our new work at @ICML2025:.Serve thousands of LoRA adapters with minimal overhead—a step towards enabling LLM person….
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@JiachengZhu_ML
Jiacheng Zhu
1 month
RT @balesni: A simple AGI safety technique: AI’s thoughts are in plain English, just read them. We know it works, with OK (not perfect) tra….
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@JiachengZhu_ML
Jiacheng Zhu
1 month
RT @karpathy: Scaling up RL is all the rage right now, I had a chat with a friend about it yesterday. I'm fairly certain RL will continue t….
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@JiachengZhu_ML
Jiacheng Zhu
1 month
RT @Hongyu_Lii: We interact with dogs through touch -- a simple pat can communicate trust or instruction. Shouldn't interacting with robot….
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@JiachengZhu_ML
Jiacheng Zhu
1 month
RT @_vztu: 🤨Ever dream of a tool that can magically restore and upscale any (low-res) photo to crystal-clear 4K? . šŸ”„Introducing "4KAgent: A….
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@JiachengZhu_ML
Jiacheng Zhu
1 month
RT @xai: Introducing Grok 4, the world's most powerful AI model. Watch the livestream now:
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@JiachengZhu_ML
Jiacheng Zhu
1 month
RT @Happylemon56775: Excited to share what I worked on during my time at Meta. - We introduce a Triton-accelerated Transformer with *2-sim….
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@JiachengZhu_ML
Jiacheng Zhu
2 months
RT @hardmaru: Reinforcement Learning Teachers of Test Time Scaling. In this new paper, we introduce a new way to teach LLMs how to reason b….
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@JiachengZhu_ML
Jiacheng Zhu
2 months
RT @YiqingLiang2: Heading to Nashville for @CVPR ! šŸŽø.I’ll be presenting the @nvidia internship project —. ā€œZero-Shot Monocular Scene Flow E….
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@JiachengZhu_ML
Jiacheng Zhu
3 months
This is an amazing joint-force with @_Jason_Q , @wenhaoding95 @LiuZuxin @jtompkin @mengdixu_ @xiamengzhou @_vztu @ShiLaixi , lead by @YiqingLiang2 !.
@JiachengZhu_ML
Jiacheng Zhu
3 months
šŸš€ New preprint: ā€œMoDoMoDo — Multi-Domain Data Mixtures for Multimodal LLM RLā€ is live!. šŸ”— Paper + project: (project page . šŸ’» Code: coming soon. Highlights. * Multimodal RLVR framework that post-trains an MLLM on 5 vision-language.
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@JiachengZhu_ML
Jiacheng Zhu
3 months
šŸš€ New preprint: ā€œMoDoMoDo — Multi-Domain Data Mixtures for Multimodal LLM RLā€ is live!. šŸ”— Paper + project: (project page . šŸ’» Code: coming soon. Highlights. * Multimodal RLVR framework that post-trains an MLLM on 5 vision-language.
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@YiqingLiang2
Yiqing Liang
3 months
šŸ§µā€ÆMoDoMoDo: smarter data mixing → stronger reasoning for multimodal LLMs.šŸš€ New preprint! We show how right mixing of multi-domain data can super‑charge multimodal LLM RL reasoning. 🌐 Site: šŸ“„ Paper: details in thread. šŸ‘‡
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@JiachengZhu_ML
Jiacheng Zhu
3 months
RT @YiqingLiang2: šŸ”¬ā€ÆI am super excited to announce our @ICCVConference 2025 Workshop: End‑to‑End 3D Learning (E2E3D) šŸ”¬.& šŸ“¢ Call for Papers….
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@JiachengZhu_ML
Jiacheng Zhu
3 months
RT @ICL_at_CMU: šŸŽ‰ Congrats to Prof Changliu Liu @ChangliuL on IEEE RAS Early Academic Career Award in Robotics and Automation "for signific….
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@JiachengZhu_ML
Jiacheng Zhu
3 months
RT @angelaqdai: What an amazing start to our #Eurographics2025 keynotes from @JustinMSolomon on optimization for geometry processing - lots….
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@JiachengZhu_ML
Jiacheng Zhu
4 months
RT @ShiLaixi: šŸš€We have two exciting works at ICLR!.1) Oral: Behavioral Economics in Decision Making within Robust Multi-Agent Systems — Com….
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@JiachengZhu_ML
Jiacheng Zhu
4 months
RT @ShunyuYao12: I finally wrote another blogpost: AI just keeps getting better over time, but NOW is a special mo….
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@JiachengZhu_ML
Jiacheng Zhu
5 months
Our first batch of Llama 4 models are out! šŸ¦™šŸ¦™šŸ¦™šŸ¦™Please give them a try! šŸš€. Proud to be part of team that baked these amazing models! . P.S. LLM post-training is a magic yet not magic. Excited about future Llama models!.
@AIatMeta
AI at Meta
5 months
Today is the start of a new era of natively multimodal AI innovation. Today, we’re introducing the first Llama 4 models: Llama 4 Scout and Llama 4 Maverick — our most advanced models yet and the best in their class for multimodality. Llama 4 Scout.• 17B-active-parameter model
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@JiachengZhu_ML
Jiacheng Zhu
5 months
RT @AIatMeta: Today is the start of a new era of natively multimodal AI innovation. Today, we’re introducing the first Llama 4 models: Lla….
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@JiachengZhu_ML
Jiacheng Zhu
6 months
RT @tw_killian: I’m talking to my church youth group this week about how to discern what and what not to trust on the internet + genAI cont….
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@JiachengZhu_ML
Jiacheng Zhu
6 months
RT @StockMKTNewz: Apple and Meta are both now reportedly planning to ramp up development on Humanoid Robots joining Magnificent 7 names lik….
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