Compare / head-to-head
Grok 4 Fast ReasoningvsNVIDIA Nemotron 3 Nano 30B-A3B BF16
Grok 4 Fast Reasoning leads 2 of 2 shared benchmarks. Grok 4 Fast Reasoning has the larger context window (2M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
2 – 0
Grok 4 Fast Reasoning leads
Cheaper per token
—
list price, input + output
Larger context
Grok 4 Fast Reasoning
2M tokens
Provider uptime (30d)
— · 100%
xAI · NVIDIA
Grok 4 Fast Reasoning
xAI · released 2025-09-19
text
NVIDIA Nemotron 3 Nano 30B-A3B BF16
NVIDIA · released 2025-12-15
text
- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 10 · 9 core
Quality
Benchmark matrix
2 shared · 10 only Grok 4 Fast Reasoning · 8 only NVIDIA Nemotron 3 Nano 30B-A3B BF16| Benchmark | Grok 4 Fast Reasoning | NVIDIA Nemotron 3 Nano 30B-A3B BF16 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 2 | ||||
| AIME 2025 | 92% ↗ | 89.1% ↗ | +2.9 pt | Grok 4 Fast Reasoning |
| Humanity's Last Exam (no tools) | 20% ↗ | 10.6% ↗ | +9.4 pt | Grok 4 Fast Reasoning |
| Only Grok 4 Fast Reasoning reports · 10 | ||||
| GPQA Diamond | 85.7% ↗ | not reported | — | — |
| BrowseComp | 44.9% ↗ | not reported | — | — |
| BrowseComp (zh) | 51.2% ↗ | not reported | — | — |
| HMMT 2025 (no tools) | 93.3% ↗ | not reported | — | — |
| LiveCodeBench (Jan-May) | 80% ↗ | not reported | — | — |
| Reka Research Eval | 66% ↗ | not reported | — | — |
| Search Arena Elo | 1163 ↗ | not reported | — | — |
| SimpleQA | 95% ↗ | not reported | — | — |
| X Bench Deepsearch (zh) | 74% ↗ | not reported | — | — |
| X Browse | 58% ↗ | not reported | — | — |
| Only NVIDIA Nemotron 3 Nano 30B-A3B BF16 reports · 8 | ||||
| MMLU-Pro | not reported | 78.3% ↗ | — | — |
| LMArena Elo | not reported | 1348.4 ↗ | — | — |
| AIME 2025 (with tools) | not reported | 99.2% ↗ | — | — |
| GPQA (no tools) | not reported | 73% ↗ | — | — |
| GPQA (with tools) | not reported | 75% ↗ | — | — |
| Humanity's Last Exam (with tools) | not reported | 15.5% ↗ | — | — |
| LiveCodeBench | not reported | 68.3% ↗ | — | — |
| SWE-Bench (OpenHands) | not reported | 38.8% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Grok 4 Fast Reasoning minus NVIDIA Nemotron 3 Nano 30B-A3B BF16 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Grok 4 Fast Reasoning | NVIDIA Nemotron 3 Nano 30B-A3B BF16 | Edge |
|---|---|---|---|
| Context window | 2M tokens | 1M tokens | Grok 4 Fast Reasoning |
| Max output | — | — | — |
| Input price / 1M | $0.2 ↗ | — | — |
| Output price / 1M | $0.5 ↗ | — | — |
| Cached input / 1M | $0.05 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $0.7 | — | — |
| Modalities | text | text | Tie |
| Released | 2025-09-19 | 2025-12-15 | — |
| Cited benchmark scores | 12 | 10 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Grok 4 Fast Reasoning vs …
Models sharing the most benchmarksMore matchups
NVIDIA Nemotron 3 Nano 30B-A3B BF16 vs …
Models sharing the most benchmarksBuilt by Respan
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