MuSR A

AI benchmark · Reasoning

Domains
Reasoning
Tier
A why
Snapshot

What is MuSR?

A dataset for evaluating language models on multistep soft reasoning tasks specified in natural language narratives. Tests the ability to perform complex, structured reasoning.

Tier A

A

Widely used: a lab reports it, or 50 or more models are scored on it.

How much stands behind a tier: usage, who backs it, a confirmed line from its own site or paper, and a clear read on X. High with three of the four, medium with two, low otherwise.

  • 3835 models scored
  • model counts only from community leaderboards
  • in curated RL directories (2 pts)

On X · unclear, low buzz, from 1 post about MuSR in the last month

Barely discussed; the one engaged post is about a quantized Qwen model for local agents and mentions MuSR only incidentally, if at all.

@superdoccimo ↗

How we got to tier A
  1. Adoption: 3835 models scored; model counts only from community leaderboards. Tier A.
  2. On X: unclear, low buzz. “Barely discussed; the one engaged post is about a quantized Qwen model for local agents and mentions MuSR only incidentally, if at all.” No move.
  3. In curated RL directories: 2 points, a floor of C.
  4. Not yet confirmed by a line from its own site or paper.

A clear view on X moves a tier one step up or down; most entries don't move. How tiers work.

Not on the map yet: no line from its own site or paper places it in a domain.

Next: browse all benchmarks. Entry from the RL Research daily scrape of public sources, 2026-10-11 snapshot.