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Open-Jev-27B-v1.1 vs Cloudflare clef-flash

Open-Jev-27B-v1.1 and Cloudflare clef-flash have no measured difference in accuracy, calibration or cost in our data yet.

SpecOpen-Jev-27B-v1.1Cloudflare clef-flash
ProviderZefanCaiCloudflare
Decision Index score—47.6
Calibration error (ECE)—0.025
Median latency (p50)—53 ms
Cost per 1,000 decisions——
Parameters27B10B
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-2.0apache-2.0

FAQ

Is Open-Jev-27B-v1.1 or Cloudflare clef-flash 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, Open-Jev-27B-v1.1 or Cloudflare clef-flash?

No calibration difference between Open-Jev-27B-v1.1 and Cloudflare clef-flash is recorded yet.

Is Open-Jev-27B-v1.1 or Cloudflare clef-flash 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.