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Perplexity: Decider Latest vs Sieve-31B

Perplexity: Decider Latest and Sieve-31B have no measured difference in accuracy, calibration or cost in our data yet.

SpecPerplexity: Decider LatestSieve-31B
ProviderPerplexitySthānika AI
Decision Index score—64.3
Calibration error (ECE)—0.033
Median latency (p50)—253 ms
Cost per 1,000 decisions$0.0040—
Parameters—31B
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 Sieve-31B 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 Sieve-31B?

No calibration difference between Perplexity: Decider Latest and Sieve-31B is recorded yet.

Is Perplexity: Decider Latest or Sieve-31B 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.