Grok 4.3 vs Nemotron 3 Nano
xAI vs NVIDIA — benchmarks, pricing, and capabilities side by side.
| Grok 4.3 | Nemotron 3 Nano | |
|---|---|---|
| Intelligence index | 90.1 | — |
| Developer | xAI | NVIDIA |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 1,000,000 tokens | 1,000,000 tokens |
| Input price | $1.25 / 1M | — |
| Output price | $2.50 / 1M | — |
| Speed | 88 tok/s | — |
| Released | May 6, 2026 | December 15, 2025 |
| Parameters | — | 31.6B (3.6B active) |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |