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Cloudflare clef vs System One Qwen3.5 4B scorer

Cloudflare clef and System One Qwen3.5 4B scorer have no measured difference in accuracy, calibration or cost in our data yet.

SpecCloudflare clefSystem One Qwen3.5 4B scorer
ProviderCloudflarepngwn
Decision Index score53.1—
Calibration error (ECE)0.040—
Median latency (p50)102 ms—
Cost per 1,000 decisions——
Parameters28B4B
Open weightsYesYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismDecoder LM with a decision readoutDecoder LM with a decision readout
Licenseapache-2.0Non-commercial

FAQ

Is Cloudflare clef or System One Qwen3.5 4B scorer more accurate?

At least one of the two has no Jev Decision Index score yet, so their accuracy cannot be compared here.

Which is better calibrated, Cloudflare clef or System One Qwen3.5 4B scorer?

No calibration difference between Cloudflare clef and System One Qwen3.5 4B scorer is recorded yet.

Is Cloudflare clef or System One Qwen3.5 4B scorer cheaper per 1,000 decisions?

A hosted price is not recorded for both models; open-weight models cost the compute you run them on.

Cost per 1,000 decisions assumes 200 input tokens per decision. Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.