Model comparison
Grok 4.1 Fast (Reasoning) vs Nemotron 3 Nano 30B
Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Grok 4.1 Fast (Reasoning) #48 (Supported); Nemotron 3 Nano 30B #98 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok 4.1 Fast (Reasoning) and Nemotron 3 Nano 30B share 11 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to Grok 4.1 Fast (Reasoning); 4 to Nemotron 3 Nano 30B.
Updated July 23, 2026- Shared results
- 11
- Grok 4.1 Fast (Reasoning) only
- 2
- Nemotron 3 Nano 30B only
- 4
- Comparable categories
- 0 / 8
Benchmark data for Grok 4.1 Fast (Reasoning) and Nemotron 3 Nano 30B is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Grok 4.1 Fast (Reasoning) has the larger context window at 2M, compared with 32K for Nemotron 3 Nano 30B.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Grok 4.1 Fast (Reasoning) | Nemotron 3 Nano 30B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok 4.1 Fast (Reasoning)Not available | Nemotron 3 Nano 30B$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Grok 4.1 Fast (Reasoning)Not available | Nemotron 3 Nano 30B152 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Grok 4.1 Fast (Reasoning)Not available | Nemotron 3 Nano 30B1.90 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Grok 4.1 Fast (Reasoning)2M | Nemotron 3 Nano 30B32K | Grok 4.1 Fast (Reasoning) lists the larger context window. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Grok 4.1 Fast (Reasoning) | Nemotron 3 Nano 30B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 30.6% | 14.2% | Grok 4.1 Fast (Reasoning) leads |
| AA-GPQA DiamondSource | 85.3% | 75.7% | Grok 4.1 Fast (Reasoning) leads |
| AA-HLESource | 17.6% | 10.2% | Grok 4.1 Fast (Reasoning) leads |
| AA-Omniscience IndexSource | -28.7% | -51.6% | Grok 4.1 Fast (Reasoning) leads |
| AA-Omniscience AccuracySource | 25.3% | 17.1% | Grok 4.1 Fast (Reasoning) leads |
| AA-Omniscience Hallucination RateSource | 72.4% | 82.9% | Grok 4.1 Fast (Reasoning) leads |
Multimodal1 benchmarks
| Benchmark | Grok 4.1 Fast (Reasoning) | Nemotron 3 Nano 30B | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 63.3% | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Grok 4.1 Fast (Reasoning) | Nemotron 3 Nano 30B | Result |
|---|---|---|---|
| AA-IFBenchSource | 52.7% | 71.1% | Nemotron 3 Nano 30B leads |
Frequently Asked Questions (3)
Can I compare Grok 4.1 Fast (Reasoning) and Nemotron 3 Nano 30B on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Grok 4.1 Fast (Reasoning) and Nemotron 3 Nano 30B today?
Nemotron 3 Nano 30B: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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