Zaid Khan @codezakh
@uncnlp with @mohitban47 working on grounded reasoning + multimodal agents // currently @allen_ai formerly @neclabsamerica // bs+ms CompE @northeastern zaidkhan.me Boston, USA Joined June 2023-
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Shiny new building and good views from the new VirginiaTech campus in DC 😉 -- it was a pleasure to meet everyone and engage in exciting discussions about trustworthy agents, collaborative reasoning/privacy, and controllable multimodal generation -- thanks again @profnaren,…
Shiny new building and good views from the new VirginiaTech campus in DC 😉 -- it was a pleasure to meet everyone and engage in exciting discussions about trustworthy agents, collaborative reasoning/privacy, and controllable multimodal generation -- thanks again @profnaren,… https://t.co/1HCyQmCFID
Proud to have been part of the team behind Gaia2 and ARE! ARE = a gym/platform for scaling up LLM agent envs for evals & RL Gaia2 = a new benchmark for hard & practical agent tasks (search, execution, ambiguity, time, noise, & multi-agent) tinyurl.com/aregaia2
🎉 Excited to share that Bifrost-1 has been accepted to #NeurIPS2025! ☀️ Bridging MLLMs and diffusion into a unified multimodal understanding and generation model can be very costly to train. ✨ Bifrost-1 addresses this by leveraging patch-level CLIP latents that are natively…
🎉 Excited to share that Bifrost-1 has been accepted to #NeurIPS2025! ☀️ Bridging MLLMs and diffusion into a unified multimodal understanding and generation model can be very costly to train. ✨ Bifrost-1 addresses this by leveraging patch-level CLIP latents that are natively…
Looking forward to giving this Distinguished Lecture at Virginia Tech on Friday & meeting the awesome faculty+students there! 🙂 Will also discuss some of our new work in multi-agent compositional privacy risks+mitigation, ambiguity/loophole exploitation by LLMs, and bridging…
Looking forward to giving this Distinguished Lecture at Virginia Tech on Friday & meeting the awesome faculty+students there! 🙂 Will also discuss some of our new work in multi-agent compositional privacy risks+mitigation, ambiguity/loophole exploitation by LLMs, and bridging…
🎉 Thrilled to share that our paper LASeR on using multi-armed bandits to select reward models for LLM training has been accepted to #NeurIPS2025! Check the post for more paper details and camera-ready updates. See you in San Diego! 👇
🎉 Thrilled to share that our paper LASeR on using multi-armed bandits to select reward models for LLM training has been accepted to #NeurIPS2025! Check the post for more paper details and camera-ready updates. See you in San Diego! 👇
It's application season, and I'm sharing some of my past application materials: - Academic job market (written in Dec 2024) - PhD fellowship (written in Apr 2023) - PhD admission (written in Dec 2019) on my website (j-min.io)
🚨 The Sum Leaks More Than Its Parts --> (1) Multi-agent compositional privacy risk framework that models how seemingly innocuous outputs that seem safe to each agent alone can be combined across agents and time to infer private info. (2) Theory-of-Mind defense to reason about…
🚨 The Sum Leaks More Than Its Parts --> (1) Multi-agent compositional privacy risk framework that models how seemingly innocuous outputs that seem safe to each agent alone can be combined across agents and time to infer private info. (2) Theory-of-Mind defense to reason about…
🚨 We study new privacy risks that emerge as systems become increasingly multi-agent: seemingly innocuous queries can be composed across distributed/siloed agents to infer private info. One solution: reason about the adversary's motivations/state and communicate across the org…
🚨 We study new privacy risks that emerge as systems become increasingly multi-agent: seemingly innocuous queries can be composed across distributed/siloed agents to infer private info. One solution: reason about the adversary's motivations/state and communicate across the org…
🚨 In multi-agent LLM systems, outputs that seem safe to each agent alone can be combined to spill sensitive info! We define this compositional privacy leakage for distributed LLM agents and introduce Theory-of-Mind and multi-agent Collaborative Consensus defenses to mitigate it.…
🚨 Excited to share new work on LLMs and loopholes, accepted to #EMNLP2025 main! When models are faced with conflicting goals and ambiguous instructions that would let them exploit a loophole, many of the strongest models (Qwen, GPT4o, Claude, Gemini) do. This is a new risk and…
🎉 Excited to share that our Video-Skill-CoT paper has been accepted to #EMNLP2025 Findings! Video-Skill-CoT is a domain-adaptive video reasoning framework that automatically constructs skill-aware Chain-of-Thought (CoT) supervisions. It builds a shared skill taxonomy from…
🎉 Excited to share that our Video-Skill-CoT paper has been accepted to #EMNLP2025 Findings! Video-Skill-CoT is a domain-adaptive video reasoning framework that automatically constructs skill-aware Chain-of-Thought (CoT) supervisions. It builds a shared skill taxonomy from…
🎉Excited to share that our MEXA paper is accepted to #EMNLP2025 Findings! 🚀MEXA is a general, training-free multimodal reasoning framework that dynamically selects and aggregates experts/skills for deep, free-form reasoning, and is flexible & extensible to new…
🎉Excited to share that our MEXA paper is accepted to #EMNLP2025 Findings! 🚀MEXA is a general, training-free multimodal reasoning framework that dynamically selects and aggregates experts/skills for deep, free-form reasoning, and is flexible & extensible to new…
🎉 RACCooN got accepted at #EMNLP2025 Main! 🚀 Our MLLM+Video Diffusion (Video-to-Paragraph-to-Video, V2P2V) framework enables effortless video editing w/ auto-generated descriptions, multi-granular pooling & mask planning. RACCooN Achieves +9.4%p human eval & 49.7%↓ FVD,…
🎉 RACCooN got accepted at #EMNLP2025 Main! 🚀 Our MLLM+Video Diffusion (Video-to-Paragraph-to-Video, V2P2V) framework enables effortless video editing w/ auto-generated descriptions, multi-granular pooling & mask planning. RACCooN Achieves +9.4%p human eval & 49.7%↓ FVD,…
Excited to share that MAgICoRe has been accepted to #EMNLP2025 main! 🎉 Our work identifies 3 key challenges in LLM refinement for reasoning: 1) Over-correction on easy problems 2) Fail to localize and fix its own errors 3) Too few refinement iterations for harder problems…
Excited to share that MAgICoRe has been accepted to #EMNLP2025 main! 🎉 Our work identifies 3 key challenges in LLM refinement for reasoning: 1) Over-correction on easy problems 2) Fail to localize and fix its own errors 3) Too few refinement iterations for harder problems…
🎉Our Video-RTS paper has been accepted at #EMNLP2025 Main!! We propose a novel video reasoning approach that combines data-efficient reinforcement learning (GRPO) with video-adaptive test-time scaling, improving reasoning performance while maintaining efficiency on multiple…
🎉Our Video-RTS paper has been accepted at #EMNLP2025 Main!! We propose a novel video reasoning approach that combines data-efficient reinforcement learning (GRPO) with video-adaptive test-time scaling, improving reasoning performance while maintaining efficiency on multiple…
📢 Introducing RotBench, which tests whether SoTA MLLMs (e.g., GPT-5, GPT-4o, o3, Gemini-2.5-pro) can identify the rotation of input images (0°, 90°, 180°, and 270°). Even frontier MLLMs struggle at this spatial reasoning task that humans solve with >98% Acc. ➡️ Models struggle…
🤔 Can we bridge MLLMs and diffusion models more natively and efficiently, by having MLLMs produce patch-level CLIP latents already aligned with their visual encoders, while fully preserving MLLM's visual reasoning capabilities? Introducing Bifrost-1: 🌈 > High-Fidelity…
🚀 I'm recruiting PhD students to join my lab (jaehong31.github.io) at NTU Singapore (@NTUsg), starting Spring 2026. If you're passionate about doing cutting-edge and high-impact research in multimodal AI, Trustworthy AI, continual learning, or video generation/reasoning,…
🚀 I'm recruiting PhD students to join my lab (jaehong31.github.io) at NTU Singapore (@NTUsg), starting Spring 2026. If you're passionate about doing cutting-edge and high-impact research in multimodal AI, Trustworthy AI, continual learning, or video generation/reasoning,…
🚀 We introduce GrAInS, a gradient-based attribution method for inference-time steering (of both LLMs & VLMs). ✅ Works for both LLMs (+13.2% on TruthfulQA) & VLMs (+8.1% win rate on SPA-VL). ✅ Preserves core abilities (<1% drop on MMLU/MMMU). LLMs & VLMs often fail because…

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