System One Bench

Head to head

Microsoft-Decision-1 vs Decider Flash V1.2

Microsoft-Decision-1 scores 82.0 and Decider Flash V1.2 81.9 on the System One Index. Microsoft-Decision-1 is more accurate on 7 of 16 text datasets, Decider Flash V1.2 on 7, and 2 are tied. Same cases, same request, same scorer.

Overall

Microsoft-Decision-1Decider Flash V1.2
System One Index82.081.9
English81.080.0
Arabic83.283.3
Vision Index–77.5
Calibration error2.8%1.8%
Median latency240 ms104 ms
Cost per 1,000 calls$0.010$0.005

Text datasets, accuracy

Microsoft-Decision-1Decider Flash V1.2
AG News English89.089.0
SST-2 English95.595.0
SST-5 English62.554.0
DAIR Emotion English57.057.0
Banking77 English87.090.5
BoolQ English88.589.0
XNLI English English89.392.7
Typed decisions English79.073.0
XNLI French French82.088.0
XNLI Arabic Arabic72.085.3
MASSIVE scenario Arabic83.570.5
MASSIVE intent Arabic89.086.0
OSACT4 offensive Arabic88.590.5
Tweet sentiment Arabic68.571.5
MIRACL rerank Arabic90.088.5
MIRACL pairwise Arabic91.090.5

Image datasets, accuracy

Microsoft-Decision-1Decider 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: Microsoft-Decision-1 · 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.