System One Bench

Head to head

Kev 0.8B vs Decider Flash V1.2

Kev 0.8B scores 63.6 and Decider Flash V1.2 81.9 on the System One Index. Kev 0.8B is more accurate on 1 of 16 text datasets, Decider Flash V1.2 on 15. Same cases, same request, same scorer.

Overall

Kev 0.8BDecider Flash V1.2
System One Index63.681.9
English71.080.0
Arabic54.983.3
Vision Index–77.5
Calibration error4.3%1.8%
Median latency–104 ms
Cost per 1,000 calls–$0.005

Text datasets, accuracy

Kev 0.8BDecider Flash V1.2
AG News English91.089.0
SST-2 English90.095.0
SST-5 English47.054.0
DAIR Emotion English56.057.0
Banking77 English80.590.5
BoolQ English76.089.0
XNLI English English81.392.7
Typed decisions English46.373.0
XNLI French French66.088.0
XNLI Arabic Arabic58.785.3
MASSIVE scenario Arabic38.570.5
MASSIVE intent Arabic51.586.0
OSACT4 offensive Arabic49.090.5
Tweet sentiment Arabic57.071.5
MIRACL rerank Arabic62.588.5
MIRACL pairwise Arabic67.090.5

Image datasets, accuracy

Kev 0.8BDecider Flash V1.2
SST-2, as an image–93.5
Arabic sentiment, as an image–35.0
Oxford-IIIT Pet–84.0
VQAv2 yes/no–87.5
CountBench–87.5

Model pages: Kev 0.8B · Decider Flash V1.2. Latency for API models is the median per call through OpenRouter, timed from a cloud server with 8 calls in flight.