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Perplexity: Decider Latest vs SemIf

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

SpecPerplexity: Decider LatestSemIf
ProviderPerplexityTheoLeeCJ
Decision Index score—26.7
Calibration error (ECE)—0.099
Median latency (p50)—113 ms
Cost per 1,000 decisions$0.0040—
Parameters—5B
Open weights—Yes
Question types—Choice (one of N options), Score (ordered rubric), Yes / no
Mechanism—Decoder LM with a decision readout
License——

FAQ

Is Perplexity: Decider Latest or SemIf 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 SemIf?

No calibration difference between Perplexity: Decider Latest and SemIf is recorded yet.

Is Perplexity: Decider Latest or SemIf 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.