System One Bench

Head to head

Laya Router vs Mercury Decide

Laya Router scores 60.4 and Mercury Decide 82.4 on the System One Index. Laya Router is more accurate on 1 of 16 text datasets, Mercury Decide on 15. Same cases, same request, same scorer.

Overall

Laya RouterMercury Decide
System One Index60.482.4
English64.783.7
Arabic53.280.8
Vision Index–79.4
Calibration error20.0%13.1%
Median latency–276 ms
Cost per 1,000 calls–Free

Text datasets, accuracy

Laya RouterMercury Decide
AG News English92.592.0
SST-2 English88.595.5
SST-5 English34.052.0
DAIR Emotion English53.591.5
Banking77 English44.086.0
BoolQ English81.590.5
XNLI English English87.391.3
Typed decisions English36.471.1
XNLI French French76.082.7
XNLI Arabic Arabic68.076.0
MASSIVE scenario Arabic39.072.0
MASSIVE intent Arabic32.585.0
OSACT4 offensive Arabic82.592.0
Tweet sentiment Arabic37.062.5
MIRACL rerank Arabic31.588.0
MIRACL pairwise Arabic82.090.0

Image datasets, accuracy

Laya RouterMercury Decide
SST-2, as an image–93.0
Arabic sentiment, as an image–39.0
Oxford-IIIT Pet–84.5
VQAv2 yes/no–87.0
CountBench–93.5

Model pages: Laya Router · Mercury Decide. Latency for API models is the median per call through OpenRouter, timed from one machine.