Kimi K3 vs Nemotron 3.5 Lightning
Kimi K3 (Moonshot) and Nemotron 3.5 Lightning (NVIDIA) compared on benchmarks, pricing, context window, and use-case rankings.
- Nemotron 3.5 Lightning is cheaper on input tokens — $0.10 vs $2.80 per 1M.
- Kimi K3 has a larger context window (1M vs 1M tokens).
- Kimi K3 ranks higher for coding (99th vs 7th percentile).
| Attribute | Kimi K3 | Nemotron 3.5 Lightning |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 157 | — |
| Coding | 99 | 7 |
| Math | 82 | — |
| Reasoning & Knowledge | 78 | 14 |
| Agentic & Tools | 84 | — |
| Specifications | ||
| Developer | Moonshot | NVIDIA |
| Family | Kimi | Nemotron |
| Released | Jul 16, 2026 | Aug 11, 2026 |
| Parameters | 2.8T | — |
| Availability | Open weights (non-commercial) | — |
| Context window | 1M | 1M |
| Price — $/M input | $2.80 | $0.10 |
| Price — $/M output | $14.00 | $0.25 |
| Inputs | text, image, video | text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 97% | — |
| APEX | 39% | — |
| ARC-AGI | 95% | — |
| ARC-AGI-2 | 60% | — |
| GPQA Diamond | 93% | 74% |
| Humanity's Last Exam | 47% | 11% |
| SciCode | 59% | 32% |
| SimpleQA Verified | 43% | — |
| WebDev Arena | 1682 | — |
| WeirdML | 83% | — |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, Kimi K3 or Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is cheaper on input tokens at $0.10 per million, versus $2.80 (representative OpenRouter pricing).
Which has a larger context window, Kimi K3 or Nemotron 3.5 Lightning?
Kimi K3 supports up to 1M tokens, compared with 1M for the other.
Which is better for coding, Kimi K3 or Nemotron 3.5 Lightning?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Kimi K3 ranks higher — 99th vs 7th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.