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Cloudflare clef-flash vs Nirnaya 0.4B

Cloudflare clef-flash is more accurate on the Jev Decision Index, Cloudflare clef-flash is better calibrated. Choose on whichever of accuracy, calibration and cost matters most for your decisions.

SpecCloudflare clef-flashNirnaya 0.4B
ProviderCloudflarekshitijthakkar
Decision Index score47.60.0
Calibration error (ECE)0.0250.046
Median latency (p50)53 ms14 ms
Cost per 1,000 decisions——
Parameters10B390M
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-2.0—

FAQ

Is Cloudflare clef-flash or Nirnaya 0.4B more accurate?

Cloudflare clef-flash scores higher on the Jev Decision Index (47.6 vs 0.0).

Which is better calibrated, Cloudflare clef-flash or Nirnaya 0.4B?

Cloudflare clef-flash has the lower expected calibration error (0.025 vs 0.046), so its stated confidence is closer to how often it is right.

Is Cloudflare clef-flash or Nirnaya 0.4B 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.