AI Scientist Bench
All configurations / prompt skill

step-back

1/9 dimensions tested
Haiku 4.5
Configuration
State the general principle behind the claim before judging the specific case.
Source
gym/skills/step-back.md · public · Zheng et al. 2023
Recorded runs
600 scored outputs · $1.40 measured model spend · runs on 2026-07-14
Access
open prompt · standard tools
FIG. 01

By dimension

Scores /10 · Paired p-values are exploratory and unadjusted
8.20Verify
Compared with baselinen=300 · verdict accuracy · evidence in hand · Δ ±0.00 vs Haiku 4.5 · 15W 15L 270T on 300 paired · p=1.000 (unadjusted) · $0.0024/task · 2026-07-14

NEI class 0.79 vs naked 0.72; 359 output tokens per call Test: exact McNemar on discordant pairs.

Run provenance

Report path: outputs/arena/scifact_haiku_evidence.json
Task pack: scifact-dev-300
Run: arena-haiku-4.5

  • from memory4.33 · n=300 · Δ −0.54 · p=.011 (unadjusted) · $0.0022 · 2026-07-14 · NEI class 0.15 vs naked 0.20; 403 output tokens per call
Ground

Not yet tested.

Find

Not yet tested.

Extract

Not yet tested.

Analyze

Not yet tested.

Compute

Not yet tested.

Synthesize

Not yet tested.

Review

Not yet tested.

Hypothesize

Not yet tested.