# StateBench splits state tracking into four difficulty levels

> Original title: StateBench separates state tracking into 4 levels: r-trivial, aperiodic, soluble, & general finite.

- Source: Ai2
- Published: 2026-11-03T17:28:37.000Z
- Bad Influence: https://badinfluence.news/items/gg585ycbxd9ebxa99d5ptdu70
- Original: https://x.com/allen_ai/status/2117670296647823731

## Summary

Ai2 introduces StateBench, which divides state tracking into four levels: r-trivial, aperiodic, soluble, and general finite. The levels range from simple tasks such as remembering a fixed fact like a birth date to harder ones such as tracking a ball as cups are repeatedly swapped.

## Post

StateBench separates state tracking into 4 levels: r-trivial, aperiodic, soluble, & general finite.

These range from problems like remembering something fixed, such as a birth date, to harder ones like tracking a ball as cups are repeatedly swapped.