cs.LG 2605.24517

ECHO: Terminal Agents Learn World Models for Free

ECHO integrates environment observation prediction with policy optimization, doubling task success rate from 2.70% to 5.17% on Qwen3-8B in TerminalBench-2.0.

Vaishnavi Shrivastava, Piero Kauffmann, Ahmed Awadallah et al.

2026-05-23 53
stat.ML 2605.23591

Asymmetric Scaling Laws from Sparse Features

Proposes a sparse activation-based neural scaling law model, revealing double descent peaks and asymmetry due to sparsity effects.

John Sous, Michael Winer

2026-05-22 59