System One Bench

Head to head

Clef vs d3 nano

Clef scores 81.6 and d3 nano 78.0 on the System One Index. Clef is more accurate on 11 of 16 text datasets, d3 nano on 5. Same cases, same request, same scorer.

Overall

Clefd3 nano
System One Index81.678.0
English80.677.9
Arabic83.076.9
Vision Index78.1–
Calibration error2.2%7.0%
Median latency310 ms–
Cost per 1,000 calls$0.116–

Text datasets, accuracy

Clefd3 nano
AG News English90.588.0
SST-2 English97.089.5
SST-5 English51.555.5
DAIR Emotion English58.559.5
Banking77 English95.593.0
BoolQ English91.088.0
XNLI English English88.787.3
Typed decisions English72.262.6
XNLI French French80.086.0
XNLI Arabic Arabic78.082.0
MASSIVE scenario Arabic88.061.5
MASSIVE intent Arabic89.581.0
OSACT4 offensive Arabic89.579.0
Tweet sentiment Arabic58.071.0
MIRACL rerank Arabic89.077.5
MIRACL pairwise Arabic89.086.5

Image datasets, accuracy

Clefd3 nano
SST-2, as an image95.5–
Arabic sentiment, as an image35.0–
Oxford-IIIT Pet82.5–
VQAv2 yes/no87.5–
CountBench90.0–

Model pages: Clef · d3 nano. Latency for API models is the median per call through OpenRouter, timed from one machine.