AI Scientist Bench
All configurations / prompt skill

claim-decomposition

1/9 dimensions tested
Haiku 4.5
Configuration
Split the claim into atomic sub-claims and judge each.
Source
gym/skills/claim-decomposition.md · public · research-prompt
Recorded runs
600 scored outputs · $1.41 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
8.23Verify
Compared with baselinen=300 · verdict accuracy · evidence in hand · Δ +0.03 vs Haiku 4.5 · 15W 14L 271T on 300 paired · p=1.000 (unadjusted) · $0.0025/task · 2026-07-14

NEI class 0.80 vs naked 0.72; 360 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 memory4.63 · n=300 · Δ −0.24 · p=.401 (unadjusted) · $0.0022 · 2026-07-14 · NEI class 0.28 vs naked 0.20; 394 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.