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Perplexity: Decider Latest vs Sifr 0.8B v3.1

Perplexity: Decider Latest and Sifr 0.8B v3.1 have no measured difference in accuracy, calibration or cost in our data yet.

SpecPerplexity: Decider LatestSifr 0.8B v3.1
ProviderPerplexitymohamedlotfy50
Decision Index score—14.5
Calibration error (ECE)—0.120
Median latency (p50)—35 ms
Cost per 1,000 decisions$0.0040—
Parameters—870M
Open weights—Yes
Question types—Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism—Decoder LM with a decision readout
License—apache-2.0

FAQ

Is Perplexity: Decider Latest or Sifr 0.8B v3.1 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, Perplexity: Decider Latest or Sifr 0.8B v3.1?

No calibration difference between Perplexity: Decider Latest and Sifr 0.8B v3.1 is recorded yet.

Is Perplexity: Decider Latest or Sifr 0.8B v3.1 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.