Kimi K3 vs Nemotron 3.5 Lightning

Kimi K3 and Nemotron 3.5 Lightning measured on communication & professionalism, on the same veterinary examination items, run on VetEval's own infrastructure at fixed decoding settings and scored by a panel that never grades its own model.

Kimi K3 scores 39.1 points higher than Nemotron 3.5 Lightning on Communication & Professionalism, and the confidence intervals do not overlap, this is a difference the measurement supports.

Kimi K3 and Nemotron 3.5 Lightning carry a confirmed safety cap, which limits the Index regardless of how the clinical categories scored.

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Side-by-side comparison of Kimi K3, Nemotron 3.5 Lightning across the VetEval Index, each scoring category, the safety gate, cost and latency.
MeasureKimi K3Moonshot AI · proprietaryNemotron 3.5 LightningNVIDIA · open weights
VetEval Index27.1, best in this row26.3–27.83.73.3–4.2
Rank1–3shared rank11
Clinical Diagnosis & Differential87.7, best in this row84.3–91.134.528.1–40.9
Pharmacology & Dosing78.8, best in this row74.1–83.414.38.4–20.3
Species-Specific Knowledge71.0, best in this row64.2–77.713.96.0–21.7
Triage & Emergency85.1, best in this row79.9–90.325.817.6–34.0
Preventive / Public Health / Zoonoses76.9, best in this row70.4–83.524.314.5–34.0
Communication & Professionalism84.4, best in this row76.0–92.945.333.0–57.7
Safety gateCapped×0.40Capped×0.40
Cost per 1,000 items$11.06list price at run time$0.29, best in this rowlist price at run time
Median time per question3.9sexcluding retries1.3s, best in this rowexcluding retries
WeightsProprietaryMoonshot AIOpenNVIDIA

A shaded cell is the best value in its row, and the bar shows the score out of 100. The line under the Index and each category is the 95% confidence interval, where two intervals overlap, the ordering is not something this measurement establishes. Cost is list price at the time of the run and is not part of the Index.

What this comparison does not tell you

  • These scores describe performance on veterinary examination items. They are not a certification, and no result here licenses a model for clinical use.
  • The Index weights categories for a general caseload. Every per-category score is published above so you can weigh them for yours instead, or compare on a single category using the control above.
  • Cost and latency are measured at run time and move separately from the scores. A model that is cheaper today may not be next month.

Related comparisons

Kimi K3 vs Nemotron 3.5 Lightning by category

Scope. VetEval measures model performance on veterinary examination items. It is not clinical advice, and no result here licenses a model for clinical use.