activity
20232026
most citedGriffin: Mixing Gated Linear Recurrences with Local Attention for Efficient Language Models

8 citations · 13 across the 28 of their papers we have counts for

collaborators

31 papers

cs.LG2026

Diffuse AI Control on Fuzzy Tasks

Mikhail Terekhov, Caglar Gulcehre, Vivek Hebbar +1

AI models deployed in critical domains, such as AI safety research, may subtly sabotage our efforts due to misalignment. Diffuse AI Control is a subfield of AI safety concerned wit…

cs.LG2026

BlockGen: Flexible Blockwise Sequence Modeling with Hybrid Samplers

Justin Deschenaux, Caglar Gulcehre

Is the uniform-state diffusion framework a more powerful paradigm for discrete diffusion? Recent studies indicate that this may be the case. In combination with predictor-corrector…

cs.LG2026

Language Modeling with Hyperspherical Flows

Justin Deschenaux, Caglar Gulcehre

Discrete Diffusion Language Models progressed rapidly as an alternative to autoregressive (AR) models, motivated by their parallel generation abilities. However, for tractability,…

cs.LG2026

Augmenting Attention with Exponentially Decaying Memory Improves Query-Aware KV Sparsity

Xiuying Wei, Caglar Gulcehre

Efficient inference is critical for long-context language models, where attention computation and KV-cache access dominate the cost. Recent work RAT+, introduces a recurrence-augme…

cs.CL2026

The Future of Facts: Tracing the Factual Generation-Verification Gap

Tim R. Davidson, Anja Surina, Caglar Gulcehre

Language models are becoming the default interface to factual knowledge, yet they often verify outputs more reliably than they generate them. This generation-verification gap (GV-g…

cs.LG2026

The Diffusion Duality, Chapter II: -Samplers

Justin Deschenaux, Caglar Gulcehre, Subham Sekhar Sahoo

Uniform-state discrete diffusion models excel at few-step generation and guidance due to their ability to self-correct, making them preferred over autoregressive or Masked diffusio…

cs.LG2026

RAT+: Train Dense, Infer Sparse -- Recurrence Augmented Attention for Dilated Inference

Xiuying Wei, Caglar Gulcehre

Structured dilated attention has an appealing inference-time efficiency knob: it reduces the FLOPs of attention and the KV cache size by a factor of the dilation size D, while pres…

cs.LG2025

Loopholing Discrete Diffusion: Deterministic Bypass of the Sampling Wall

Mingyu Jo, Jaesik Yoon, Justin Deschenaux +2

Discrete diffusion models offer a promising alternative to autoregressive generation through parallel decoding, but they suffer from a sampling wall: once categorical sampling occu…

cs.LG2025

Adaptive Attacks on Trusted Monitors Subvert AI Control Protocols

Mikhail Terekhov, Alexander Panfilov, Daniil Dzenhaliou +4

AI control protocols serve as a defense mechanism to stop untrusted LLM agents from causing harm in autonomous settings. Prior work treats this as a security problem, stress testin…

cs.CL2025

Apertus: Democratizing Open and Compliant LLMs for Global Language Environments

Project Apertus, Alejandro Hernández-Cano, Alexander Hägele +100

We present Apertus, a fully open suite of large language models (LLMs) designed to address two systemic shortcomings in today's open model ecosystem: data compliance and multilingu…

cs.LG2025

Quantile Reward Policy Optimization: Alignment with Pointwise Regression and Exact Partition Functions

Simon Matrenok, Skander Moalla, Caglar Gulcehre

Aligning large language models with pointwise absolute rewards has so far required online, on-policy algorithms such as PPO and GRPO. In contrast, simpler methods that can leverage…

cs.CL2025

RAT: Bridging RNN Efficiency and Attention Accuracy via Chunk-based Sequence Modeling

Xiuying Wei, Anunay Yadav, Razvan Pascanu +1

Transformers have become the cornerstone of modern large-scale language models, but their reliance on softmax attention poses a computational bottleneck at both training and infere…

cs.AI2025

Control Tax: The Price of Keeping AI in Check

Mikhail Terekhov, Zhen Ning David Liu, Caglar Gulcehre +1

The rapid integration of agentic AI into high-stakes real-world applications requires robust oversight mechanisms. The emerging field of AI Control (AIC) aims to provide such an ov…

cs.LG2025

Partition Generative Modeling: Masked Modeling Without Masks

Justin Deschenaux, Lan Tran, Caglar Gulcehre

Masked generative models (MGMs) can generate tokens in parallel and in any order, unlike autoregressive models (ARMs), which decode one token at a time, left-to-right. However, MGM…

cs.AI2025★ 1 cited

Algorithm Discovery With LLMs: Evolutionary Search Meets Reinforcement Learning

Anja Surina, Amin Mansouri, Lars Quaedvlieg +4

Discovering efficient algorithms for solving complex problems has been an outstanding challenge in mathematics and computer science, requiring substantial human expertise over the…

q-fin.PM2025

Regret-Optimized Portfolio Enhancement through Deep Reinforcement Learning and Future Looking Rewards

Daniil Karzanov, Rubén Garzón, Mikhail Terekhov +3

This paper introduces a novel agent-based approach for enhancing existing portfolio strategies using Proximal Policy Optimization (PPO). Rather than focusing solely on traditional…

cs.LG2025

From Markov to Laplace: How Mamba In-Context Learns Markov Chains

Marco Bondaschi, Nived Rajaraman, Xiuying Wei +5

While transformer-based language models have driven the AI revolution thus far, their computational complexity has spurred growing interest in viable alternatives, such as structur…

cs.AI2024

SIKeD: Self-guided Iterative Knowledge Distillation for mathematical reasoning

Shivam Adarsh, Kumar Shridhar, Caglar Gulcehre +2

Large Language Models (LLMs) can transfer their reasoning skills to smaller models by teaching them to generate the intermediate reasoning process required to solve multistep reaso…

cs.LG2024★ 1 cited

One-Step is Enough: Sparse Autoencoders for Text-to-Image Diffusion Models

Viacheslav Surkov, Chris Wendler, Antonio Mari +5

For large language models (LLMs), sparse autoencoders (SAEs) have been shown to decompose intermediate representations that often are not interpretable directly into sparse sums of…

cs.LG2024

Beyond Autoregression: Fast LLMs via Self-Distillation Through Time

Justin Deschenaux, Caglar Gulcehre

Autoregressive (AR) Large Language Models (LLMs) have demonstrated significant success across numerous tasks. However, the AR modeling paradigm presents certain limitations; for in…

cs.LG2024

The Role of Deep Learning Regularizations on Actors in Offline RL

Denis Tarasov, Anja Surina, Caglar Gulcehre

Deep learning regularization techniques, such as dropout, layer normalization, or weight decay, are widely adopted in the construction of modern artificial neural networks, often r…

cs.CL2024

Investigating Low-Rank Training in Transformer Language Models: Efficiency and Scaling Analysis

Xiuying Wei, Skander Moalla, Razvan Pascanu +1

State-of-the-art LLMs often rely on scale with high computational costs, which has sparked a research agenda to reduce parameter counts and costs without significantly impacting pe…

cs.CL2024

Promises, Outlooks and Challenges of Diffusion Language Modeling

Justin Deschenaux, Caglar Gulcehre

The modern autoregressive Large Language Models (LLMs) have achieved outstanding performance on NLP benchmarks, and they are deployed in the real world. However, they still suffer…

cs.LG2024

HiPPO-Prophecy: State-Space Models can Provably Learn Dynamical Systems in Context

Federico Arangath Joseph, Kilian Konstantin Haefeli, Noah Liniger +1

This work explores the in-context learning capabilities of State Space Models (SSMs) and presents, to the best of our knowledge, the first theoretical explanation of a possible und…