Model comparison
Amazon Nova Pro vs Grok 4.1
Grok 4.1 is the stronger model overall, scoring 41.5 to 31.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Pro scores higher in 1 category and Grok 4.1 in 8 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.4 to 43.9.
Side by side
| Amazon Nova Pro | Grok 4.1 | |
|---|---|---|
| Provider | Amazon | xAI |
| Noometry Index | 31.0 | 41.5 |
| Released | 2024-12-03 | 2025-11-17 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | — |
| Max output | 10K | — |
| Input $ / M tokens | $0.80 | — |
| Output $ / M tokens | $3.20 | — |
| Results tracked | 38 | 19 |
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Category by category
Coding Amazon Nova Pro leads
Amazon Nova Pro: 35.1 (#229), Grok 4.1: 33.7 (#253)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1270 | 1445 |
| LMArena WebDev | — | 1214 |
| LiveBench Coding | 38.1% | — |
Agentic & Tool Use Grok 4.1 leads
Amazon Nova Pro: 16.7 (#147), Grok 4.1: 34.1 (#49)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
| Cybench | — | 39% |
Reasoning Grok 4.1 leads
Amazon Nova Pro: 20.0 (#243), Grok 4.1: 29.5 (#91)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1435 |
| LiveBench Reasoning | 32.6% | — |
| LiveBench Data Analysis | 48.3% | — |
| Epoch Capabilities Index | 123.8 | — |
| LiveBench | 43.5% | — |
Math Grok 4.1 leads
Amazon Nova Pro: 28.5 (#243), Grok 4.1: 38.9 (#120)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Math | 1252 | 1422 |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
Knowledge Grok 4.1 leads
Amazon Nova Pro: 27.4 (#250), Grok 4.1: 39.5 (#133)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1211 | 1417 |
| Humanity's Last Exam | 4.4% | — |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| Vectara Hallucination Rate | 5.1% | — |
| GPQA (HELM) | 44.6% | — |
| MMLU | 82% | — |
Multimodal Not comparable
Amazon Nova Pro: 25.0 (#126), Grok 4.1: —
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Vision | 980 | — |
Multilingual Grok 4.1 leads
Amazon Nova Pro: 39.7 (#223), Grok 4.1: 53.4 (#68)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1234 | 1425 |
| LMArena Chinese | 1244 | 1465 |
| LMArena French | 1271 | 1448 |
| LMArena German | 1243 | 1446 |
| LMArena Japanese | 1200 | 1397 |
| LMArena Korean | 1203 | 1407 |
| LMArena Russian | 1240 | 1434 |
| LMArena Spanish | 1182 | 1438 |
Instruction Following Grok 4.1 leads
Amazon Nova Pro: 64.9 (#226), Grok 4.1: 73.8 (#111)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1235 | 1400 |
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |
Long Context Grok 4.1 leads
Amazon Nova Pro: 38.1 (#205), Grok 4.1: 43.2 (#100)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1255 | 1416 |
Writing & Preference Grok 4.1 leads
Amazon Nova Pro: 43.9 (#226), Grok 4.1: 62.4 (#75)
| Benchmark | Amazon Nova Pro | Grok 4.1 |
|---|---|---|
| LMArena Text | 1259 | 1437 |
| LMArena Creative Writing | 1212 | 1411 |
| LMArena Multi-Turn | 1246 | 1437 |
| Short-Story Creative Writing | 60.5% | — |
| WildBench | 77.7% | — |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than Grok 4.1?
Grok 4.1 is the stronger model overall, scoring 41.5 to 31.0 on the Noometry Index.
Is Amazon Nova Pro or Grok 4.1 better for coding?
Amazon Nova Pro scores higher on coding benchmarks: 35.1 versus 33.7 in the Noometry coding category.
How many benchmarks do Amazon Nova Pro and Grok 4.1 share?
17 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Grok 4.1 has 19.