# AutoDataBench: Can Agents Write the Data That Feeds the Self-Improvement Loop? > Source: > Published: 2026-09-30 04:00:20+00:00 Recent gains in language model capability have come more from data than from architecture. Frontier labs and data companies produce verifiable agentic tasks, which supervised finetuning and reinforcement learning then turn into capability.This production line still rests on human labour and on human