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Perplexity: Decider Latest vs Sieve 0.8B

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

SpecPerplexity: Decider LatestSieve 0.8B
ProviderPerplexitySthānika AI
Decision Index score—20.8
Calibration error (ECE)—0.088
Median latency (p50)—52 ms
Cost per 1,000 decisions$0.0040—
Parameters—590M
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 0.8B 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 0.8B?

No calibration difference between Perplexity: Decider Latest and Sieve 0.8B is recorded yet.

Is Perplexity: Decider Latest or Sieve 0.8B 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.