Kimi K3vsNvidia Nemotron 3 Ultra 550b A55b Nvfp4
Kimi K3 leads the overall Podium Score by 12.3 points (83.3 vs 71.0).Category wins: Kimi K3 0 — 0 Nvidia Nemotron 3 Ultra 550b A55b Nvfp4.Nvidia Nemotron 3 Ultra 550b A55b Nvfp4 is the cheaper pick ($3/M vs $15/M per 1M output tokens). Nvidia Nemotron 3 Ultra 550b A55b Nvfp4 is faster (50 t/s vs 37 t/s).
Key VerdictAggregated 2026 Benchmark Analysis
Kimi K3 is rated higher overall with a Podium Score of 83.3 (vs 71.0 for Nvidia Nemotron 3 Ultra 550b A55b Nvfp4). Both models show closely matched capabilities across domain benchmarks.
Coding & Engineering
Comparable
Inference Speed
Nvidia Nemotron 3 Ultra 550b A55b Nvfp4 (50 t/s)
Cost Efficiency
Nvidia Nemotron 3 Ultra 550b A55b Nvfp4 ($3/M/M)
| Metric | Kimi K3 | Nvidia Nemotron 3 Ultra 550b A55b Nvfp4 |
|---|---|---|
| Podium Score | 83.3 ▲ | 71.0 |
| Arena Elo | 1485 | — |
| Intelligence Index | 57.0 | — |
| Coding | 61.5 | — |
| Math | 70.9 | — |
| Reasoning | 86.5 | — |
| Agentic | 100.0 | — |
| Knowledge | 19.7 | — |
| Multimodal | 83.5 | — |
| Long-context | 99.2 | — |
| Output speed | 37 t/s | 50 t/s ▲ |
| Output price | $15/M | $3/M ▲ |
| Context window | 1000K ▲ | 128K |
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Kimi K3 vs Claude Mythos · Kimi K3 vs Claude Fable 5 · Kimi K3 vs Claude Opus 5 · Kimi K3 vs GPT-5.6 Sol