System One Bench

OpenAI ยท OpenRouter API

GPT-6 Luna Decisions

GPT-6 Luna Decisions by OpenAI scores 76.0 on the System One Index (14th of 24) and 81.6 on the Vision Index (4th of 8). Calibration error 9.8%, median latency 215 ms.

System One Index
76.0
14th of 24
English
75.2
Arabic
78.8
Vision Index
81.6
4th of 8
Calibration error
9.8%
Lower is better
Median latency
215 ms
95th percentile 582 ms
Cost per 1,000 calls
$0.040
As billed

Text datasets

DatasetAccuracyRankBest on the boardCalibration error
AG News English87.517th of 2492.511.2%
SST-2 English93.513th of 2497.04.8%
SST-5 English61.53rd of 2462.516.0%
DAIR Emotion English58.59th of 2491.526.1%
Banking77 English77.518th of 2498.58.7%
BoolQ English85.516th of 2492.58.6%
XNLI English English66.722nd of 2493.320.7%
Typed decisions English71.08th of 2479.08.4%
XNLI French French62.022nd of 2490.721.5%
XNLI Arabic Arabic54.023rd of 2689.329.8%
MASSIVE scenario Arabic66.010th of 2689.516.8%
MASSIVE intent Arabic84.59th of 2691.55.1%
OSACT4 offensive Arabic93.53rd of 2695.52.2%
Tweet sentiment Arabic80.01st of 2680.010.7%
MIRACL rerank Arabic86.010th of 2690.54.5%
MIRACL pairwise Arabic87.510th of 2691.010.7%

Image datasets

DatasetAccuracyRankBest on the boardCalibration error
SST-2, as an image88.58th of 896.05.5%
Arabic sentiment, as an image67.01st of 867.013.5%
Oxford-IIIT Pet87.03rd of 888.54.2%
VQAv2 yes/no80.58th of 889.58.2%
CountBench85.07th of 894.59.0%

This run

Model id
openai/gpt-6-luna-decisions
Runs on
OpenRouter API
Run date
2026-10-07
Latency
API, 8 in flight, timed 15 October 2026
Questions
4,850, 2 failed (counted wrong)

Compare

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