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Cloudflare clef-flash vs Mercury Decide

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

SpecCloudflare clef-flashMercury Decide
ProviderCloudflareInception
Decision Index score47.6—
Calibration error (ECE)0.025—
Median latency (p50)53 ms—
Cost per 1,000 decisions—$0.0040
Parameters10B—
Open weightsYesNo
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 readoutHosted API
Licenseapache-2.0proprietary

FAQ

Is Cloudflare clef-flash or Mercury Decide 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-flash or Mercury Decide?

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

Is Cloudflare clef-flash or Mercury Decide 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.