OneJev1.6-9B, a Multimodal System One Decision Model

Hugging Face GitHub Website License

OneJev1.6-9B is the 9B model of OneJev 1.6, a multimodal System One decision model. Give it a screenshot, a photo, a video or plain text along with a few typed questions, and it returns a calibrated probability for every option in a single forward pass. It is a full fine-tune of Qwen/Qwen3.5-9B on about 440,000 questions drawn from real agent runs, videos, images and the training splits of public decision datasets.

Decision Index

On the public part of Decision Index 0.3 (37 benchmarks, 140,178 requests, run and scored with the board's own kit), OneJev1.6-9B scores 65.31, up from 59.03 for OneJev1.5-9B. That is sixth of the 172 models on the board, and the five models above it all have 26B parameters or more. It has the best score in four of the five areas among the five models below.

Decision Index public part, table: OneJev1.6-9B 65.31 against Nace.AI Drex v1.5 58.08, vLLM-SR d3-flash (9B) 57.79, Standard One 8B SH (v4) 57.40, Bespoke Nimble 9B v3 57.19, overall and in each of the five areas; best value in each row in magenta, second best in light pink

The four other models are the highest-scoring models of 6B to 12B parameters on the board.

It also scores above 52 of the 57 models of 25B to 36B parameters on the board.

Decision Index public part: OneJev1.6-9B 65.3 at 9.4B parameters against Torchcast Decision 65.1, Amos 1 Large 64.9, Decider 31B 64.3, linne-oak 1.0 63.9, span-02 26B-A4B 63.6, Matilda Jev v1.5 63.5 at 26B to 33B

Other models' scores are their public-part scores on the board on 16 October 2026.

Results

Results table: OneJev1.6-9B against Jev 1.13, Jev-Omni 12B and Qwen3.8-27B thinking; best score in each row in magenta, second best in light pink

Accuracy in percent. The OneJev test set holds questions of the training kinds that no model saw in training. Jev 1.13's scores are its published ones, and it reads text only.

Quick start

pip install "qev[torch] @ git+https://github.com/OmniJev/OneJev.git"
qev serve --model OmniJev/OneJev1.6-9B
from qev import Client, Choice, Noul
from qev.media import data_uri

r = Client("http://localhost:8000").system_one(
    state={"task": "Pay the open invoice from ACME", "screen": "<image:1>"},
    media=[{"type": "image", "data": data_uri("screenshot.png")}],
    questions={"done": Noul("The invoice has been paid"),
               "next": Choice("What should the agent do next?", {"click": "click an element", "stop": "stop"})},
)

The server speaks TypeSafe's System One API plus a media field for images and video. More examples and the code are on GitHub.

Citation

@misc{onejev2026,
  title        = {{OneJev}: A Multimodal System One Decision Model},
  author       = {{OmniJev Team}},
  year         = {2026},
  howpublished = {\url{https://github.com/OmniJev/OneJev}}
}

License

Apache 2.0

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