System One Bench

Perplexity ยท OpenRouter API

Decider Flash V1.2

Decider Flash V1.2 by Perplexity scores 81.9 on the System One Index (7th of 30) and 77.5 on the Vision Index (10th of 11). Calibration error 1.8%, median latency 104 ms.

System One Index
81.9
7th of 30
English
80.0
Arabic
83.3
Vision Index
77.5
10th of 11
Calibration error
1.8%
Lower is better
Median latency
104 ms
95th percentile 177 ms
Cost per 1,000 calls
$0.005
As billed

Text datasets

DatasetAccuracyRankBest on the boardCalibration error
AG News English89.013th of 3092.53.1%
SST-2 English95.011th of 3097.03.7%
SST-5 English54.014th of 3062.56.8%
DAIR Emotion English57.015th of 3091.514.1%
Banking77 English90.56th of 3098.54.7%
BoolQ English89.014th of 3093.03.2%
XNLI English English92.73rd of 3095.33.2%
Typed decisions English73.06th of 3079.04.3%
XNLI French French88.03rd of 3091.34.9%
XNLI Arabic Arabic85.33rd of 3290.05.6%
MASSIVE scenario Arabic70.512th of 3289.58.3%
MASSIVE intent Arabic86.09th of 3291.54.1%
OSACT4 offensive Arabic90.59th of 3297.09.3%
Tweet sentiment Arabic71.57th of 3280.04.4%
MIRACL rerank Arabic88.57th of 3290.54.4%
MIRACL pairwise Arabic90.56th of 3291.53.1%

Image datasets

DatasetAccuracyRankBest on the boardCalibration error
SST-2, as an image93.56th of 1197.04.1%
Arabic sentiment, as an image35.08th of 1170.028.3%
Oxford-IIIT Pet84.09th of 1192.513.0%
VQAv2 yes/no87.54th of 1189.54.5%
CountBench87.59th of 1195.55.2%

This run

Model id
perplexity/pplx-decider-flash-v1.2
Runs on
OpenRouter API
Run date
2026-10-25
Latency
API, 8 in flight, timed 25 October 2026
Questions
4,850, 0 failed (counted wrong)

4B sibling of Decider V1.2. Doesn't answer Box questions.

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Ranks count the models charted on the leaderboard. Every model gets the same cases and the same request, under the benchmark rules.