# ParetoRSI-Gym: Can AI Agents Improve Language Models Across Multiple Domains? > Source: > Published: 2026-10-28 00:39:47+00:00 Recursive self-improvement (RSI) requires an agentic system to design, train, and evaluate its own successor. Data-driven post-training is a central part of that loop, yet existing evaluations measure it on a single benchmark, where an agent selects from a static pool or distills a stronger model to