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Cloudflare clef vs Lumma-fev-0.6b

Cloudflare clef and Lumma-fev-0.6b have no measured difference in accuracy, calibration or cost in our data yet.

SpecCloudflare clefLumma-fev-0.6b
ProviderCloudflareFrontiersMind
Decision Index score53.1—
Calibration error (ECE)0.040—
Median latency (p50)102 ms—
Cost per 1,000 decisions——
Parameters28B649M
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 readoutEncoder classifier
Licenseapache-2.0apache-2.0

FAQ

Is Cloudflare clef or Lumma-fev-0.6b 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 Lumma-fev-0.6b?

No calibration difference between Cloudflare clef and Lumma-fev-0.6b is recorded yet.

Is Cloudflare clef or Lumma-fev-0.6b 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.