collaborators

5 papers

cs.AI2026

AIRS-Bench: a Suite of Tasks for Frontier AI Research Science Agents

Alisia Lupidi, Bhavul Gauri, Thomas Simon Foster +34

LLM agents hold significant promise for advancing scientific research. To accelerate this progress, we introduce AIRS-Bench (the AI Research Science Benchmark), a suite of 20 tasks…

cs.LG2026

DéjàQ: Open-Ended Evolution of Diverse, Learnable and Verifiable Problems

Willem Röpke, Samuel Coward, Andrei Lupu +3

Recent advances in reasoning models have yielded impressive results in mathematics and coding. However, most approaches rely on static datasets, which have been suggested to encour…

cs.CL2025

Measuring what Matters: Construct Validity in Large Language Model Benchmarks

Andrew M. Bean, Ryan Othniel Kearns, Angelika Romanou +39

Evaluating large language models (LLMs) is crucial for both assessing their capabilities and identifying safety or robustness issues prior to deployment. Reliably measuring abstrac…

cs.CL2025

StochasTok: Improving Fine-Grained Subword Understanding in LLMs

Anya Sims, Thom Foster, Klara Kaleb +5

Subword-level understanding is integral to numerous tasks, including understanding multi-digit numbers, spelling mistakes, abbreviations, rhyming, and wordplay. Despite this, curre…

cs.LG2025

Learning to Reason at the Frontier of Learnability

Thomas Foster, Anya Sims, Johannes Forkel +2

Reinforcement learning is now widely adopted as the final stage of large language model training, especially for reasoning-style tasks such as maths problems. Typically, models att…