One of the earliest Jev-shaped scorers. A sequence-classification head on Qwen3.5-4B-Base scores each (state, question, option) triple and softmaxes per question. Non-commercial licence.
Together AI's Jev-style classifier. A LoRA fine-tune of Qwen3.5-4B that reads a state, a question and 2 to 24 options and returns one option letter. Served on Together's platform; recipe published.
Decides
choice, score, noul, classify
choice, classify, route
Architecture
scorer
tev
Fine-tuned from
qwen/qwen3.5-4b-base
qwen/qwen3.5-4b
License
cc-by-nc-4.0
Unspecified — weights licence being finalised
Availability
Open weights
Open weights + hosted API
Hosted by
—
Together AI
Input price
—
$0.042/MTok
Decision accuracy
70.7%
88.0%
Calibration error
0.044
—
Valid action rate
—
—
Median latency
112 ms
—
p95 latency
—
—
Evaluation suite
author-reported
Together development set (reused, not held out)
Figures are from each model’s manifest; accuracy and latency are what the publishers report, on their own suites and hardware. Add a third model.
Questions
What is the difference between system-one-qwen3-5-4b-scorer and tev1?
system-one-qwen3-5-4b-scorer is from pngwn and tev1 from Together AI. system-one-qwen3-5-4b-scorer has open weights you can download and run; tev1 has open weights and a hosted API. Both answer choice and classify questions. Only system-one-qwen3-5-4b-scorer answers score and noul. Only tev1 answers route. system-one-qwen3-5-4b-scorer is licensed cc-by-nc-4.0; tev1, other.
Which is more accurate, system-one-qwen3-5-4b-scorer or tev1?
They report on different suites — system-one-qwen3-5-4b-scorer 70.7% on author-reported, tev1 88.0% on Together development set (reused, not held out) — so the numbers do not rank them. Test both on your own labelled examples.
Which is cheaper, system-one-qwen3-5-4b-scorer or tev1?
system-one-qwen3-5-4b-scorer: Free (open weights). tev1: $0.042 / $0 per 1M, or free to self-host. Open weights cost nothing per call beyond your own hardware.
Can I run system-one-qwen3-5-4b-scorer or tev1 locally?
Yes, both: systemone pull pngwn/system-one-qwen3-5-4b-scorer and systemone pull together-ai/tev1 download the weights.