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hastejev vs Cloudflare clef-flash

hastejev and Cloudflare clef-flash have no measured difference in accuracy, calibration or cost in our data yet.

SpechastejevCloudflare clef-flash
ProvidernoffyCloudflare
Decision Index score—47.6
Calibration error (ECE)—0.025
Median latency (p50)—53 ms
Cost per 1,000 decisions——
Parameters20M10B
Open weightsYesYes
Question typesChoice (one of N options), Score (ordered rubric), Yes / noChoice (one of N options), Score (ordered rubric), Yes / no
MechanismEncoder classifierDecoder LM with a decision readout
Licenseapache-2.0apache-2.0

FAQ

Is hastejev 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, hastejev or Cloudflare clef-flash?

No calibration difference between hastejev and Cloudflare clef-flash is recorded yet.

Is hastejev 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.