Kas 4B vs Celeris-1 Decision
Kas 4B and Celeris-1 Decision have no measured difference in accuracy, calibration or cost in our data yet.
| Spec | Kas 4B | Celeris-1 Decision |
|---|---|---|
| Provider | kpiya | Celeris |
| Decision Index score | 36.7 | — |
| Calibration error (ECE) | 0.098 | — |
| Median latency (p50) | 69 ms | — |
| Cost per 1,000 decisions | — | $0.0080 |
| Parameters | 4B | — |
| Open weights | Yes | No |
| Question types | Choice (one of N options), Score (ordered rubric), Yes / no | Choice (one of N options), Score (ordered rubric), Yes / no |
| Mechanism | Decoder LM with a decision readout | Diffusion LM |
| License | apache-2.0 | proprietary |
FAQ
Is Kas 4B or Celeris-1 Decision 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, Kas 4B or Celeris-1 Decision?
No calibration difference between Kas 4B and Celeris-1 Decision is recorded yet.
Is Kas 4B or Celeris-1 Decision 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.